U.S. Navy veteran turned private investigator Jennifer Marshall and journalist Ozzy Mora investigate chilling claims and a mysterious death at the infamous Cecil Hotel in Los Angeles.

Psychedelic swirls in the Utah wastelands; a bizarre configuration of circles in the Sahara; hidden lines with the help of a drone; a remote polka-dot lake in Canada.

As daylight fades, Alaskans contend with threats lurking in the shadows.

Using canal towpaths, Stephen Hardiker and Martin Cole make their escape and travel almost 100 miles to a caravan in Wales.

U.S. Navy veteran turned private investigator Jennifer Marshall and journalist Ozzy Mora investigate chilling claims and a mysterious death at the infamous Cecil Hotel in Los Angeles.

The investigation of some of the most notorious and mysterious events, in an attemp to unravel all of the possible reasons for the disasters.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Dr. Cori sees Trooper the dog over several days to figure out why he won't eat and each day the stakes get higher; after a tricky eye surgery on Ben the dog, Dr. Allison heads to the bush with her mom for a dog sledding adventure.

A turtle named Knuckles needs help with some shell issues and a pig named Missy has a bad case of the flu.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

Archaeologists discover an unusual man-made rock formation in the remote Altai Mountains of Russia, and conducting a further excavation, they unearth an ancient log cabin and the mummified remains of two bodies buried deep in the frozen permafrost.

There are areas around the world that seem to keep attracting UFOs.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Guest comic Tiffany Coyne.

Guest comic Jordin Sparks.

Viewing the remains of a castle-like ruin near Manhattan and a Japanese military stronghold built in response to U.S. gunboat diplomacy; paddling around a beautiful bay that hides a vast mountain complex; pondering the ruins of a decoding landmark.

A castle-like building in Washington State that fueled an American treasure hunt; the Southern US site of a murder that ushered in a new era; exploration of an unlikely beacon of progress in a rough Wyoming mining town.

A violent tornado outbreak unleashes carnage on Oklahoma, Texas and Louisiana; A Swedish snow mobile rider gets lost in the mountains during a night-time adventure; A recordbreaking super typhoon brings down the roof on a wedding in the Philippines.

Archaeologists discover an unusual man-made rock formation in the remote Altai Mountains of Russia, and conducting a further excavation, they unearth an ancient log cabin and the mummified remains of two bodies buried deep in the frozen permafrost.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Guest comic Tiffany Coyne.

Guest comic Jordin Sparks.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

Experts investigate the factors behind the failure of the Space Shuttle Columbia and the critical mistake that led to a deadly stage collapse.

Hurricanes, droughts and storms reveal strange mysteries, relics and artifacts.

Hurricane Ida's rapid flooding traps people in their cars; a couple escapes a California inferno; a British adventurer outsmarts hungry wolves after being buried alive by an Arctic blizzard.

Experts investigate the factors behind the failure of the Space Shuttle Columbia and the critical mistake that led to a deadly stage collapse.

Hurricanes, droughts and storms reveal strange mysteries, relics and artifacts.

Guest comic Tiffany Coyne.

Guest comic Jordin Sparks.

A violent tornado outbreak unleashes carnage on Oklahoma, Texas and Louisiana; A Swedish snow mobile rider gets lost in the mountains during a night-time adventure; A recordbreaking super typhoon brings down the roof on a wedding in the Philippines.

Viewing the remains of a castle-like ruin near Manhattan and a Japanese military stronghold built in response to U.S. gunboat diplomacy; paddling around a beautiful bay that hides a vast mountain complex; pondering the ruins of a decoding landmark.

Archaeologists discover an unusual man-made rock formation in the remote Altai Mountains of Russia, and conducting a further excavation, they unearth an ancient log cabin and the mummified remains of two bodies buried deep in the frozen permafrost.

These are the witnesses that have been literally touched by the unknown; physical contact events that take the shape of nightmares, complete with alien examinations and inexplicable metal implants discovered inside human bodies.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Counting down to the annual deer release, which could get shut down if a government inspection doesn't go according to plan; the staff scramble to help a hawk with a broken beak and vaccinate the raccoon unit against a potentially deadly virus.

A perfect circle carved around an ancient peak; a scary phenomenon in the Pacific; strange shapes in a Middle Eastern desert; a formation below the ocean's surface.

Archaeologists discover human remains during an excavation of a fifth-century fort on the Swedish island of Oland; after further investigation, experts unearth 26 skeletons and uncover the site of an ancient massacre.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Guest comic Maile Brady.

Guest comic Jeff Davis.

A teenage girl in Korea is martyred in prison and becomes a national hero; the facility where she was held stands in remembrance of her bravery and the Korean struggle for independence.

A labor strike in an Arizona mining town ends in a mass kidnapping and deportation; a unique homesteading community gets its start in the Old West; a leaning Carolina lighthouse becomes part of Civil War history.

Blazing bushfires tear through communities as a good Samaritan saves panicked drivers; a skier captures the horrifying moment he is buried alive by a tsunami of snow; a man flees just before a landslide sweeps eight homes into the sea.

Archaeologists discover human remains during an excavation of a fifth-century fort on the Swedish island of Oland; after further investigation, experts unearth 26 skeletons and uncover the site of an ancient massacre.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Guest comic Maile Brady.

Guest comic Jeff Davis.

A perfect circle carved around an ancient peak; a scary phenomenon in the Pacific; strange shapes in a Middle Eastern desert; a formation below the ocean's surface.

In Alberta, a routine neuter turns tricky for a big old tomcat; a young dog needs a full workup to assess her injuries after getting hit by a car; in Vanderhoof, Dr. Cori is shocked when a boxer named Gemma suddenly can't feel her feet.

Aisling Bea, Mark Watson and Michelle Wolf join Sandi Toksvig and Alan Davis for a volatile episode.

Using canal towpaths, Stephen Hardiker and Martin Cole make their escape and travel almost 100 miles to a caravan in Wales.

Alaskans face long days and uncertain outcomes during trapping season.

In Alberta, a routine neuter turns tricky for a big old tomcat; a young dog needs a full workup to assess her injuries after getting hit by a car; in Vanderhoof, Dr. Cori is shocked when a boxer named Gemma suddenly can't feel her feet.

Sandi Toksvig takes a look at some visionaries with Cally Beaton, Nish Kumar, Laura Smyth and Alan Davies.

Using canal towpaths, Stephen Hardiker and Martin Cole make their escape and travel almost 100 miles to a caravan in Wales.

Guest comic Maile Brady.

Guest comic Jeff Davis.

Blazing bushfires tear through communities as a good Samaritan saves panicked drivers; a skier captures the horrifying moment he is buried alive by a tsunami of snow; a man flees just before a landslide sweeps eight homes into the sea.

A teenage girl in Korea is martyred in prison and becomes a national hero; the facility where she was held stands in remembrance of her bravery and the Korean struggle for independence.

Archaeologists discover human remains during an excavation of a fifth-century fort on the Swedish island of Oland; after further investigation, experts unearth 26 skeletons and uncover the site of an ancient massacre.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

On Aug. 10, 2020, hurricane-force winds blast through Iowa battering the city of Cedar Rapids; this rare Derecho packing powerful straight line winds takes the city by surprise and leaves behind a trail of destruction.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

In Guatemala, archaeologists identify an ancient site containing a series of unknown structures; a lake full of jellyfish is studied on a remote South Pacific island; Argentinian researchers discover a complex that may have a dark past.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Games include: Questions, Doo Wop, Dubbing, Scenes from a hat, Helping hands.

Guest comic Greg Proops.

A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the U.K. and a dreaded predator in the Pacific Ocean are discovered by accident using drones.

Flee to an aviator's secluded Wyoming retreat away from the limelight and feel the weight of history in a famous Southern barbershop. Pop into a Connecticut building founded on regional rivalry and scratch your head at the Coney Island of the South.

Witnessing Hurricane Ida's devastation as it reduces Louisiana to rubble; following a man running for his life from California wildfires; facing a deadly sea swirl with a Norwegian ship crew; looking for a snow kiter engulfed by an avalanche.

In Guatemala, archaeologists identify an ancient site containing a series of unknown structures; a lake full of jellyfish is studied on a remote South Pacific island; Argentinian researchers discover a complex that may have a dark past.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Games include: Questions, Doo Wop, Dubbing, Scenes from a hat, Helping hands.

Guest comic Greg Proops.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

The investigation of some of the most notorious and mysterious events, in an attemp to unravel all of the possible reasons for the disasters.

Explore a labyrinth built beneath Washington, D.C., by an eccentric entomologist. Admire a fresco-filled Roman mausoleum, spot intricate chambers carved into Colombia's volcanic rock, and see a sprawling network of hand-dug tunnels in Liverpool.

A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the U.K. and a dreaded predator in the Pacific Ocean are discovered by accident using drones.

The investigation of some of the most notorious and mysterious events, in an attemp to unravel all of the possible reasons for the disasters.

Explore a labyrinth built beneath Washington, D.C., by an eccentric entomologist. Admire a fresco-filled Roman mausoleum, spot intricate chambers carved into Colombia's volcanic rock, and see a sprawling network of hand-dug tunnels in Liverpool.

Games include: Questions, Doo Wop, Dubbing, Scenes from a hat, Helping hands.

Guest comic Greg Proops.

Witnessing Hurricane Ida's devastation as it reduces Louisiana to rubble; following a man running for his life from California wildfires; facing a deadly sea swirl with a Norwegian ship crew; looking for a snow kiter engulfed by an avalanche.

A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the U.K. and a dreaded predator in the Pacific Ocean are discovered by accident using drones.

In Guatemala, archaeologists identify an ancient site containing a series of unknown structures; a lake full of jellyfish is studied on a remote South Pacific island; Argentinian researchers discover a complex that may have a dark past.

Counting down to the annual deer release, which could get shut down if a government inspection doesn't go according to plan; the staff scramble to help a hawk with a broken beak and vaccinate the raccoon unit against a potentially deadly virus.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Contractor Mike Holmes joins forces with his children, Michael and Sherry, to continue his legacy of making it right and helping homeowners in need.

The Holmes team surprises superfan Michael, who has autism, with news that he's part of the crew; his family gets a life-changing upgrade that will open up their tired bungalow and give them more room for living.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Counting down to the annual deer release, which could get shut down if a government inspection doesn't go according to plan; the staff scramble to help a hawk with a broken beak and vaccinate the raccoon unit against a potentially deadly virus.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

Human remains high in the Ecuadorian Andes; in Norway, an archaeology student unearths metal artifacts; a strange, earthquake-like event in Canada; a Viking longhouse with a unique history in Greenland.

Off the coast of Tanzania, a puzzling site containing massive stone blocks is revealed on Kilwa Island; the discovery of giant animal bones baffle researchers in Australia; hundreds of human bones are uncovered in a Guatemalan rain forest.

Scan the skeleton of a drowned Stone Age fisherman in Chile and rediscover a vanished golden age in Egypt's lost city of Aten; ancient Chinese mummies reignite a cultural debate; discover a massive biblical-era moat in Jerusalem.

Human remains high in the Ecuadorian Andes; in Norway, an archaeology student unearths metal artifacts; a strange, earthquake-like event in Canada; a Viking longhouse with a unique history in Greenland.

Off the coast of Tanzania, a puzzling site containing massive stone blocks is revealed on Kilwa Island; the discovery of giant animal bones baffle researchers in Australia; hundreds of human bones are uncovered in a Guatemalan rain forest.

Guest comic Mark Ballas.

Guest comic Gary Anthony Williams.

The West Coast is home to the San Andreas fault, stretching for almost a thousand miles beneath the feet of millions of Americans.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

New York City is under attack as Hurricanes Ida and Ian unleash their fury on innocent people; seeing how the latest science and technology can protect New York City's 8 million residents before everything gets swept away by ferocious superstorms.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Dr. Cori sees Trooper the dog over several days to figure out why he won't eat and each day the stakes get higher; after a tricky eye surgery on Ben the dog, Dr. Allison heads to the bush with her mom for a dog sledding adventure.

Summer unleashes a wave of mysterious ailments in pets across the country; Dr. Dayle Poitras confronts a potentially dangerous lump in a reactive German Shepherd's mouth; Dr. Cori Stephen tackles an out-of-control infection in a dog named Trapper.

Dr. Poitras and her team rush into critical surgery to save the life of Ruger, a senior dog battling a badly infected organ; in Saskatoon, Dr. Allison helps a husky cross named Goldy who has a bad limp and a cat who has a bladder full of stones.

In Alberta, a routine neuter turns tricky for a big old tomcat; a young dog needs a full workup to assess her injuries after getting hit by a car; in Vanderhoof, Dr. Cori is shocked when a boxer named Gemma suddenly can't feel her feet.

Chase down a weasel and her tiny kittens who have gone AWOL at the rehab. Hold your breath as Dr. Mikaela performs a rare medical procedure on a raccoon's injured tail, then meet Hope's new otter friend and the tiniest beaver the team has ever seen.

Scramble as the staff tries to find a place for each of the orphaned skunks, raccoons, and groundhogs that are streaming through the rehab's doors; then deal with the deadly side of spring as the team tries to save a hare wounded by a weed whacker.

Observe a pair of white, piebald fawns that pose a big rehab challenge; check out an albino skunk displaced by flash floods, see Dr. Mikaela race to save a parasite-infected chipmunk, and monitor a groundhog fighting for its life after a dog attack.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Peek at landmarks in places where they shouldn't be; wing your way over an imperial pyramid in the Netherlands, a metal sphere in remote Russia, a lion shape carved into an English hillside and a bare swath cut through an Austrian forest.

A special New Year's edition of the BAFTA-award-winning talk show; a hilarious host, sparkling celebrities, cracking conversation, eager audience, marvelous music and, of course, silly stories from the infamous Red Chair.

Caroline Aherne narrates as some of Britain's most opinionated viewers comment freely.

Newlyweds Adam and Emma Channell want one last adventure before they begin a family; they plan to go off grid in some of Britain's most remote rural areas, the Yorkshire Dales and deepest Wales.

A special New Year's edition of the BAFTA-award-winning talk show; a hilarious host, sparkling celebrities, cracking conversation, eager audience, marvelous music and, of course, silly stories from the infamous Red Chair.

Caroline Aherne narrates as some of Britain's most opinionated viewers comment freely.

Newlyweds Adam and Emma Channell want one last adventure before they begin a family; they plan to go off grid in some of Britain's most remote rural areas, the Yorkshire Dales and deepest Wales.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Counting down to the annual deer release, which could get shut down if a government inspection doesn't go according to plan; the staff scramble to help a hawk with a broken beak and vaccinate the raccoon unit against a potentially deadly virus.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Chase down a weasel and her tiny kittens who have gone AWOL at the rehab. Hold your breath as Dr. Mikaela performs a rare medical procedure on a raccoon's injured tail, then meet Hope's new otter friend and the tiniest beaver the team has ever seen.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Contractor Mike Holmes joins forces with his children, Michael and Sherry, to continue his legacy of making it right and helping homeowners in need.

The Holmes team surprises superfan Michael, who has autism, with news that he's part of the crew; his family gets a life-changing upgrade that will open up their tired bungalow and give them more room for living.

Dealing with toxic fallout after a hot real estate market forces Jason and Alisha to buy a house without getting a home inspection; the Holmes team transforms a moldy, radon-filled eyesore into a cozy, healthy place to raise a family.

Tally up the dangers in 80-year-old Filomena's beloved but crumbling home and see why her kids put out a distress call to the Holmes team; check out the aging-friendly upgrades that will keep this widow safe and help her stay in the house she loves.

Check in with the Holmes team as they make upgrades to Linda and Stuart's home that will help Linda get back to life after a surprise leg amputation; feel the relief as they create wheelchair-accessible spaces and remove barriers to her independence.

Celebrate with Rachael and Robin as the Holmes team reworks their new bungalow to make life brighter for their daughter, Bree, who was born with trisomy 13; the three-year-old survivor's first-ever bedroom and tons of accessible features.

Aisling Bea, Mark Watson and Michelle Wolf join Sandi Toksvig and Alan Davis for a volatile episode.

Sandi Toksvig takes a look at some visionaries with Cally Beaton, Nish Kumar, Laura Smyth and Alan Davies.

Explore a labyrinth built beneath Washington, D.C., by an eccentric entomologist. Admire a fresco-filled Roman mausoleum, spot intricate chambers carved into Colombia's volcanic rock, and see a sprawling network of hand-dug tunnels in Liverpool.

Tripper is the head counselor at a budget summer camp called Camp Northstar. In truth, he's young at heart and only marginally more mature than the campers themselves. Tripper befriends Rudy, a loner camper who has trouble fitting in. As Tripper inspires his young charges to defeat rival Camp Mohawk in the annual Olympiad competition, Rudy plays matchmaker between Tripper and Roxanne, a female counselor at Northstar.

The investigation of some of the most notorious and mysterious events, in an attempt to unravel all the possible reasons for the disasters.

Human remains high in the Ecuadorian Andes; in Norway, an archaeology student unearths metal artifacts; a strange, earthquake-like event in Canada; a Viking longhouse with a unique history in Greenland.

Explore a labyrinth built beneath Washington, D.C., by an eccentric entomologist. Admire a fresco-filled Roman mausoleum, spot intricate chambers carved into Colombia's volcanic rock, and see a sprawling network of hand-dug tunnels in Liverpool.

Counting down to the annual deer release, which could get shut down if a government inspection doesn't go according to plan; the staff scramble to help a hawk with a broken beak and vaccinate the raccoon unit against a potentially deadly virus.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Chase down a weasel and her tiny kittens who have gone AWOL at the rehab. Hold your breath as Dr. Mikaela performs a rare medical procedure on a raccoon's injured tail, then meet Hope's new otter friend and the tiniest beaver the team has ever seen.

The Holmes team surprises superfan Michael, who has autism, with news that he's part of the crew; his family gets a life-changing upgrade that will open up their tired bungalow and give them more room for living.

Dealing with toxic fallout after a hot real estate market forces Jason and Alisha to buy a house without getting a home inspection; the Holmes team transforms a moldy, radon-filled eyesore into a cozy, healthy place to raise a family.

Tally up the dangers in 80-year-old Filomena's beloved but crumbling home and see why her kids put out a distress call to the Holmes team; check out the aging-friendly upgrades that will keep this widow safe and help her stay in the house she loves.

Check in with the Holmes team as they make upgrades to Linda and Stuart's home that will help Linda get back to life after a surprise leg amputation; feel the relief as they create wheelchair-accessible spaces and remove barriers to her independence.

Scramble as the staff tries to find a place for each of the orphaned skunks, raccoons, and groundhogs that are streaming through the rehab's doors; then deal with the deadly side of spring as the team tries to save a hare wounded by a weed whacker.

Deal with heartbreaking cases, including a bald eagle that has mysteriously lost its ability to fly. Watch over a chilled fawn that won't eat, a hummingbird with dangerously sticky wings, and a snapping turtle that got caught in a city reservoir.

Cope with injuries caused by human neglect and malice, including a gull that ate a metal shard and animals shot by pellet guns. Celebrate the recovery of two foxes with avian flu and witness the joyous release of 12 robins and a snapping turtle.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Look inside homes that push the limits of design under this island's extreme conditions; ramble through a modernized courtyard, a house based on a love of circles, and an open-plan sculptural marvel inspired by the harsh, weather-beaten coastline.

Newlyweds Adam and Emma Channell want one last adventure before they begin a family; they plan to go off grid in some of Britain's most remote rural areas, the Yorkshire Dales and deepest Wales.

Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Today they are discarded, dangerous, and some of them are even deadly. "Mysteries of the Abandoned" reveals why these engineering triumphs were built and how they were left to crumble. In each hourlong episode, stories tell of who originally designed the structure, its historical significance, and why it was ultimately no longer viable. California's Goat Canyon Trestle railway, Pennsylvania's Kinzua Viaduct steel bridge, the Grand Goulets Road in the French Alps, and Hashima Island, a once thriving and now deserted Japanese island, are among episode subjects.

U.S. Navy veteran-turned-private investigator Jennifer Marshall and cryptozoologist Nick Valenzuela investigate sightings of a mysterious creature in Lake Champlain, N.Y.

The West Coast is home to the San Andreas fault, stretching for almost a thousand miles beneath the feet of millions of Americans.

Sign off.

U.S. Navy veteran-turned-private investigator Jennifer Marshall and cryptozoologist Nick Valenzuela investigate sightings of a mysterious creature in Lake Champlain, N.Y.

The West Coast is home to the San Andreas fault, stretching for almost a thousand miles beneath the feet of millions of Americans.

Contractor Mike Holmes joins forces with his children, Michael and Sherry, to continue his legacy of making it right and helping homeowners in need.

The Holmes team surprises superfan Michael, who has autism, with news that he's part of the crew; his family gets a life-changing upgrade that will open up their tired bungalow and give them more room for living.

Dealing with toxic fallout after a hot real estate market forces Jason and Alisha to buy a house without getting a home inspection; the Holmes team transforms a moldy, radon-filled eyesore into a cozy, healthy place to raise a family.

Tally up the dangers in 80-year-old Filomena's beloved but crumbling home and see why her kids put out a distress call to the Holmes team; check out the aging-friendly upgrades that will keep this widow safe and help her stay in the house she loves.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

A pregnant dog named Bella needs an emergency C-section before she loses her pup; a giant Tegus lizard is uncharacteristically lethargic; Dr. Savannah joins Dayle at the annual Drayton Valley Rodeo where Dayle is the vet on call.

A defenestrated kitty needs a new home, a cat named Bella has mouth issues which may or may not be cancer, and Dr. Savannah takes a trip to the Siksika first nation to run a spay/neuter clinic to help control the pet population.

Examine strange relics forgotten by time; visit a perturbing circle of stone in the Golan Heights; a mountain of headless statues in Turkey; a castle left to crumble in the Saudi Arabian desert; a time-worn secret in the wilds of Peru.

In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia.

Cousins Billy and John Smith encounter a massive ship triple the size of a football stadium; guards at Malmstrom Air Force Base in Montana spot an unidentified object overhead.

Several dozen witnesses in Pennsylvania reported seeing a fiery object fall through the sky and land in nearby woods; hundreds of people stargazing in Phoenix, Arizona witness strange lights flying in a V-formation.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Unlock military secrets from the air; spot a Nazi weapon designed to turn the tides of war in France; a covert Russian military tower in Chernobyl's shadow; a rumoured nuclear lab buried in Australia; a hush-hush surprise underneath Alcatraz.

Learning why a radical religious group went to war with a Pacific Northwest town; exploring a wartime detention center in Wyo.; visiting a criminal sanctuary on Florida's Gulf Coast; exploring at the so-called Strangest House in the World.

Rescuers aid a young girl trapped under rubble after a Turkish earthquake, all while a tsunami threatens to add to the turmoil; a father and daughter escape Oregon wildfires; a flash flood upstages an outdoor wedding.

In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Examine strange relics forgotten by time; visit a perturbing circle of stone in the Golan Heights; a mountain of headless statues in Turkey; a castle left to crumble in the Saudi Arabian desert; a time-worn secret in the wilds of Peru.

Lightning strikes wreak havoc on buildings, cities sink across the globe and massive structures are on the brink of collapse.

Earthquakes, droughts and collapsing dams expose artifacts and graves.

House-decimating floods in British Columbia; speeding away from a lethal cliff collapse with boaters vacationing in Brazil; two men ditch their car during a hurricane; an Oregon farm razed by a wildfire.

Lightning strikes wreak havoc on buildings, cities sink across the globe and massive structures are on the brink of collapse.

Earthquakes, droughts and collapsing dams expose artifacts and graves.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Rescuers aid a young girl trapped under rubble after a Turkish earthquake, all while a tsunami threatens to add to the turmoil; a father and daughter escape Oregon wildfires; a flash flood upstages an outdoor wedding.

Unlock military secrets from the air; spot a Nazi weapon designed to turn the tides of war in France; a covert Russian military tower in Chernobyl's shadow; a rumoured nuclear lab buried in Australia; a hush-hush surprise underneath Alcatraz.

In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia.

Cousins Billy and John Smith encounter a massive ship triple the size of a football stadium; guards at Malmstrom Air Force Base in Montana spot an unidentified object overhead.

Several dozen witnesses in Pennsylvania reported seeing a fiery object fall through the sky and land in nearby woods; hundreds of people stargazing in Phoenix, Arizona witness strange lights flying in a V-formation.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

Confront objects that make no sense; spot a spinning island in an Argentinian marsh, a colossal triangle stuck in the Arizona desert, mysterious multicoloured pools across northern Ethiopia and a huge human figure hidden in the Australian outback.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct; bizarre stone spheres are discovered in Costa Rica; the curious remains of a small man are found in Chiapas, Mexico.

Take a deep dive into watery enigmas; glide over a sunken Italian city; a unique underwater cemetery in the Florida Keys; a yellow brick road to nowhere in the depths of the North Pacific; puzzling rocky constructions off the coast of Australia.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Over a hundred big concrete arrows scattered across the U.S.; a giant chalk figure with an oversized phallus on an English hillside; a mysterious hole in the middle of a lake in Southern California.

A Revolutionary leader visits Alabama's first capital and leaves it bankrupt; an Oregon fort refuses to engage an enemy submarine during World War II; a film studio in Jacksonville, Fla. caters to a new audience.

Molten lava devours homes and lives when a volcano erupts on La Palma; an entire U.S. town submerged by endless downpours; colossal ice boulders in Italy.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct; bizarre stone spheres are discovered in Costa Rica; the curious remains of a small man are found in Chiapas, Mexico.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Confront objects that make no sense; spot a spinning island in an Argentinian marsh, a colossal triangle stuck in the Arizona desert, mysterious multicoloured pools across northern Ethiopia and a huge human figure hidden in the Australian outback.

Dachshund siblings Link and Kirby cause some giggles with a peculiar problem; senior dog Samson has a painful eye that requires major surgery; Dr. Poitras connects with community at the Enoch Indian Horse Relay and meets a young rider with big grit.

Rhod Gilbert, Ignacio Lopez and Zoe Lyons join Sandi and Alan as QI goes viral.

Gyles Brandreth, Lulu and Emmanuel Sonubi join Sandi and Alan.

Neil Delamere, Cariad Lloyd and Chris McCausland join Sandi and Alan.

Alaskans must adapt to new obstacles to survive in deep winter.

Dachshund siblings Link and Kirby cause some giggles with a peculiar problem; senior dog Samson has a painful eye that requires major surgery; Dr. Poitras connects with community at the Enoch Indian Horse Relay and meets a young rider with big grit.

Susan Calman, Rosie Jones and Josh Widdicombe join Sandi and Alan for a vintage episode.

Gyles Brandreth, Lulu and Emmanuel Sonubi join Sandi and Alan.

Neil Delamere, Cariad Lloyd and Chris McCausland join Sandi and Alan.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Molten lava devours homes and lives when a volcano erupts on La Palma; an entire U.S. town submerged by endless downpours; colossal ice boulders in Italy.

Over a hundred big concrete arrows scattered across the U.S.; a giant chalk figure with an oversized phallus on an English hillside; a mysterious hole in the middle of a lake in Southern California.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct; bizarre stone spheres are discovered in Costa Rica; the curious remains of a small man are found in Chiapas, Mexico.

Take a deep dive into watery enigmas; glide over a sunken Italian city; a unique underwater cemetery in the Florida Keys; a yellow brick road to nowhere in the depths of the North Pacific; puzzling rocky constructions off the coast of Australia.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Hurricane Sally makes landfall along Alabama's Gulf Coast, the first tropical cyclone to do so since 2004; intensifying to a Category 2 storm and turning east just prior to landfall, Sally catches many residents along the panhandle by surprise.

Psychedelic swirls in the Utah wastelands; a bizarre configuration of circles in the Sahara; hidden lines with the help of a drone; a remote polka-dot lake in Canada.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra; dozens of jars packed with bones are uncovered in Cambodia; a strange rusted vehicle is found on the small island of Peleliu.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Parting the waters using satellite imagery to see what lies beneath; discovering a lost-lost Turkish basilica, a church spire amid toxic sludge in Romania, a ship hull in the North Sea, a shocking underwater find that rivals the Great Barrier Reef.

Navigating an Arizona border town where soldiers fought between two worlds; seeing a revolutionary mountain hideaway in New York; touring an American icon's dilapidated birthplace; viewing an Alaskan monument to natural-resource exploitation.

An Ontario man flings into a tornado; a helicopter and jet ski rescue team go into an intense flood; an avalanche crashes a party; an adventurer survives being trapped upside down in a raging river in Papua New Guinea.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra; dozens of jars packed with bones are uncovered in Cambodia; a strange rusted vehicle is found on the small island of Peleliu.

Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect the outcome. The pitch is over when each of the Dragons has declared,"I'm out." Evan Davis hosts.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Psychedelic swirls in the Utah wastelands; a bizarre configuration of circles in the Sahara; hidden lines with the help of a drone; a remote polka-dot lake in Canada.