The lost city of Olous: A great metropolis submerged in the Mediterranean; archaeologists uncover its secrets using pioneering technology and CGI reconstruction.

A monstrous airplane that helped America reach new, historic heights sits decommissioned in Tucson, Ariz.; experts investigate and reveal one of the most important aircraft of the 20th century and its contribution to the Apollo spaceflight program.

A Navy seaman experiences strange events in the heart of the Bermuda Triangle; an Air Force Staff Sergeant is confronted by an otherworldly being in Iraq; a tech sergeant discovers a haunting visitor in her air base house.

Take your pick when Rick reveals the right, wrong, and totally impossible answers to the contestants; discover if any of these bright competitors have what it takes to weed out the wrong info and take a crack at the 10,000 pound jackpot.

Walking among colossal wonders scattered across the Earth's surface, including an ancient reptile skeleton, a massive head carving in the Alberta badlands, a giant South African footprint and a pentagram etched into a remote peninsula in Kazakhstan.

Active retirees Shirley and Chris are having their adult children and grandchildren move back home; they are looking for a large lakefront home for their entire family to live together all under one roof.

Fundy National Park in southern New Brunswick.

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.

Dr. Emma takes on her first rabbit surgery and tackles her fear of rodents; Dr. Allison and the team realize Callie the dog has more than a sore tooth when a routine dental reveals bigger problems below the surface.

Dr. Cori's team is busy when they find a mysterious scar on a new shop cat and assist a puppy who was hurt after leaping from a car. Dr. Allison discovers an infection in a dog but is less confident in her dancing abilities as she learns to jig.

A single mother is mislead about a leaky basement and roof.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

Garden Week finds the eight remaining potters tackling a trio of character gnomes and a seakale forcer for guest judge Adam Keeling of Whichford Pottery.

A new theory about the sinking of the Titanic emerges; a treeless circle in the middle of the woods is probed; a formation of giant whale bones is discovered sticking out of the ground; researchers study the loudest sound ever recorded underwater.

Seven American engineering marvels are among the modern wonders of United States; now, investigators use hidden records to decode and reveal the mysteries behind these historic American icons.

An unknown presence pulls an Armed Forces officer into a living nightmare.

A new theory about the sinking of the Titanic emerges; a treeless circle in the middle of the woods is probed; a formation of giant whale bones is discovered sticking out of the ground; researchers study the loudest sound ever recorded underwater.

A ghost town shows a revitalization along an iconic American highway.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

Guest comic Gary Anthony Williams; actor Alfonso Ribeiro.

Actor Keegan-Michael Key helps the cast with improv games.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Stephen Fry meanders about some places which start with an "M," with Sue Perkins, Sami Shah, David Mitchell, and Alan Davies.

Stephen Fry mulls over miscellaneous M-themed matters with Cariad Lloyd and Rhod Gilbert.

Guest comic Gary Anthony Williams; actor Alfonso Ribeiro.

Actor Keegan-Michael Key helps the cast with improv games.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Stephen Fry meanders about some places which start with an "M," with Sue Perkins, Sami Shah, David Mitchell, and Alan Davies.

Stephen Fry mulls over miscellaneous M-themed matters with Cariad Lloyd and Rhod Gilbert.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

A historic sea vessel rusts in the Delaware River; experts investigate and reveal a passenger liner and the architecture that doubled as a U.S. warship.

An unearthly presence at a nuclear launch site in Cyprus visits a UN peacekeeper and helps him fight off a deadly enemy.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

Volunteering with the Mission PAWSible mobile vet unit in a remote Indigenous community, Dr. Emma manages loose dogs getting rowdy at the clinic. A routine spay takes a shocking turn when she finds a bullet in a dog.

Dr. Cori sees it all, from stray puppies and anxious dogs with persistent paw injuries, to horses needing dental work. Dr. Allison tackles a growing lump on cuddly Jorah and takes an x-ray that means bad news for an older dog.

Cottage living, maintenance and gardening.

Offering tips and techniques for pet safety at the cottage.

Traipsing along ancient pathways criss-crossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

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.

With less than a month left in the fishing season, all crews are desperate to catch their remaining quota, and failing to do so means leaving money on the table; Justin and Mike are fighting to hit their target.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

The latest stop for brothers Andrew and Kevin on their cross-Canada journey is the nation's capital itself, Ottawa.

A townhouse built on the foundation of an old church proves difficult when it comes to regulating the temperature.

Inspired by the Swinging Sixties, the potters create a psychedelic pair of highly decorative glazed vessels before guest judge Orla Kiely tests their pattern skills.

Featuring a blend of musical and sartorial genres during Music Week; the seven remaining sewers make 1960s mod-style parkas, give denim a country-style tune-up, and pay tribute to Bowie's fashion incarnations.

The second batch of bakers enter the tent; in the Technical they take on a cake pop with an expression they won't want to see on the judges' faces; in the Showstopper they reveal their hidden talents.

Dig into artifacts from a multicultural Jamaican port sunk by a devastating earthquake. Get insights into everyday Meso-American life next to a Salvadoran volcano, peek at a Minoan landmark, and inspect a treasure trove of English relics.

Experts uncover four global stories of extraordinary curiosities that were once concealed in the deserts of the planet.

Inspect a rusty boat in Florida that once held boundless treasure; creep around an Indiana house of correction that punished its residents; examine a metal menagerie on the front lines of a foreign attack and an upstate New York comedy incubator.

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.

Traipsing along ancient pathways criss-crossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

Discover the explosive power of these peaks and how humans adapt to their fury.

Experts explore formation, increasing frequency, heightened power, and the science behind surviving hurricanes.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Chris starts his season with a massive catch of Tullibee, only to see his happiness cut short; Justin and Mike start in Hecla and hit the motherlode; a critical fish market closes; Richard's close call on the ice.

Discover the explosive power of these peaks and how humans adapt to their fury.

Dig into artifacts from a multicultural Jamaican port sunk by a devastating earthquake. Get insights into everyday Meso-American life next to a Salvadoran volcano, peek at a Minoan landmark, and inspect a treasure trove of English relics.

Inspect a rusty boat in Florida that once held boundless treasure; creep around an Indiana house of correction that punished its residents; examine a metal menagerie on the front lines of a foreign attack and an upstate New York comedy incubator.

When Evelyn Salt (Angelina Jolie) became a CIA officer, she swore an oath to duty, honor and country. But, when a defector accuses her of being a Russian spy, Salt's oath is put to the test. Now a fugitive, Salt must use every skill gained from years of training and experience to evade capture, but the more she tries to prove her innocence, the more guilty she seems.

Jon and his brother Lee search a vast expanse of tundra - on the hunt for a herd of muskox; Kim and Pierre head deep into the bush in an all-out effort to expand their Yukon trapline; Becky heads into the wilderness.

Wealth management consultant Curtis and dance studio owner Emma wish for a serene life by the water; they find a modern retreat on a quiet canal, featuring a contemporary home with an amazing outdoor cabana space.

Rick and Kerri sell their home and smaller lake house in order to purchase a large lake house they can live in full-time; they see a modern home situated high above the trees, a 10,000 sq ft home with soaring ceilings and a more traditional home.

Anak Krakatoa unexpectedly erupts, blowing away a large portion of the volcano which causes a rare volcanic/landslide tsunami.

Joining Global Heroes and Jeff Fuchs on a transformative journey into Guatemala; discovering a sustainable eco-tourism destination and witnessing life-changing community work.

Joining Global Heroes and Jeff Fuchs on a transformative journey into Guatemala; discovering a sustainable eco-tourism destination and witnessing life-changing community work.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

In Nebraska, a massive explosion devastated a rural town; in Canada, catastrophe strikes a lakeside community as an oil train explodes in the heart of downtown; disaster takes down a vital highway bridge in Tennessee.

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.

Alaskans face long days and uncertain outcomes during trapping season.

A man in the picture postcard town of Perugia, Italy, films an ordinary looking bus spitting jets of flame from its roof; a workman in a jungle valley near the Costa Rican city of Tarbaca is shocked to see a UFO rise up from the valley floor.

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.

The latest stop for brothers Andrew and Kevin on their cross-Canada journey is the nation's capital itself, Ottawa.

A townhouse built on the foundation of an old church proves difficult when it comes to regulating the temperature.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Exploring the stories behind mankind's greatest engineering disasters through archives and expert interviews.

Alaskans face long days and uncertain outcomes during trapping season.

An extensive look into an active cold case investigation involving an unexplained crash in Roswell, N.M., in the summer of 1947; updated eyewitness accounts and expert interviews.

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.

Inspect a rusty boat in Florida that once held boundless treasure; creep around an Indiana house of correction that punished its residents; examine a metal menagerie on the front lines of a foreign attack and an upstate New York comedy incubator.

Sign off.

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.

Inspect a rusty boat in Florida that once held boundless treasure; creep around an Indiana house of correction that punished its residents; examine a metal menagerie on the front lines of a foreign attack and an upstate New York comedy incubator.

Discover the explosive power of these peaks and how humans adapt to their fury.

A man in the picture postcard town of Perugia, Italy, films an ordinary looking bus spitting jets of flame from its roof; a workman in a jungle valley near the Costa Rican city of Tarbaca is shocked to see a UFO rise up from the valley floor.

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.

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.

Traipsing along ancient pathways criss-crossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

Rachel and Tony are making a huge change in their lives; after getting a new lease on life, the adventurous couple decides to purchase a lakefront property that makes the two of them feel like they are always on vacation.

Terra Nova National Park on the Newfoundland coast is a beautiful enigma with a rugged forest.

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.

Dr. Allison and her team must monitor Shelby the Shih Tzu while trying to remove hundreds of tiny, grainy bladder stones; in Calgary, Dr. Emma and her team try to wrangle dogs for a blood drive.

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.

Heating and venting issues were missed during a house inspection.

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.

Inspired by the Swinging Sixties, the potters create a psychedelic pair of highly decorative glazed vessels before guest judge Orla Kiely tests their pattern skills.

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.

Seven wonders of ancient Egypt are home to mysteries still unsolved thousands of years after their construction, and today, investigators use cutting-edge technology and forensic analysis to reveal new secrets of these colossal engineering marvels.

An intelligence analyst on a secret mission makes an unearthly discovery.

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.

A sprawling military facility dotted with bunkers for miles now stands abandoned in the American heartland of Edgemont, S.D.; experts investigate and uncover a once highly-secure WWII ordnance site designed to store deadly munitions.

Dig into artifacts from a multicultural Jamaican port sunk by a devastating earthquake. Get insights into everyday Meso-American life next to a Salvadoran volcano, peek at a Minoan landmark, and inspect a treasure trove of English relics.

Drill down on maintenance and safety lapses that derailed amusement park rides.

Super Typhoon Yolanda - the biggest ever recorded- destroys swathes of the Philippines; a huge falling glacier in Greenland unleashes a tsunami-like wave; Houston is sunk underwater by a massive flood that almost drowns a herd of horses.

Exploring the stories behind mankind's greatest engineering disasters through archives and expert interviews.

Drill down on maintenance and safety lapses that derailed amusement park rides.

Super Typhoon Yolanda - the biggest ever recorded- destroys swathes of the Philippines; a huge falling glacier in Greenland unleashes a tsunami-like wave; Houston is sunk underwater by a massive flood that almost drowns a herd of horses.

Exploring the stories behind mankind's greatest engineering disasters through archives and expert interviews.

On the flanks of a volcano, lava appears that astonishingly burns bright blue; a creepy orange entity pulses threateningly at the bottom of a partially frozen pond; a huge, sinister dark blob invades a popular beach.

A historic sea vessel rusts in the Delaware River; experts investigate and reveal a passenger liner and the architecture that doubled as a U.S. warship.

A Russian soldier describes being lured into a swamp by an unnatural entity; an Ohio military base with a UFO connection; an interview with a US Air Force colonel whose alien-craft sightings are finally confirmed.

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.

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.

James, Cristina and their children pack up and leave city life behind; they find a modern home with resort-inspired outdoor space, including a pool with a swim-up bar, as well as an elegant heritage home with a cobblestone driveway.

Quttinirpaaq National Park is affected by climate change.

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.

Biologists race the clock as they try to figure out why North American loons are suddenly in danger, unlock the mysterious lives of these beloved birds, and ponder whether their cries will continue to be summer's soundtrack or go silent forever.

A home inspector advises a man to paint and caulk basement windows.

Separate the right from the wrong, then try to figure out what's downright impossible; follow a horde of keen players as they vie for glory and a chance to unlock 10,000 pounds trapped inside the giant exclamation mark on stage.

Wildlife Week proves a roaring good time as the potters hand-build animal table lamps; in a Great Pottery Throw Down first, the contestants receive permission to throw anything they want, before a special someone drops by the pottery.

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.

The lost city of Machu Picchu is one of the greatest mysteries in archaeology; scientists do not know why this city in the clouds was built, but investigations into secret Inca codes and deformed skeletons might finally reveal its ultimate mystery.

A Russian Infantryman fights an unknown presence in a Chechnyan forest.

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.

A sprawling military facility dotted with bunkers for miles now stands abandoned in the American heartland of Edgemont, S.D.; experts investigate and uncover a once highly-secure WWII ordnance site designed to store deadly munitions.

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. Check out this three-year-old survivor's first-ever bedroom and tons of accessible features.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Having entered the picturesque backroads of Ontario, they are all in need of a little push to keep them going; the pair are giving their road house a new paint job while also upgrading it with a (motor)home theater.

The latest stop for brothers Andrew and Kevin on their cross-Canada journey is the nation's capital itself, Ottawa.

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

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Having entered the picturesque backroads of Ontario, they are all in need of a little push to keep them going; the pair are giving their road house a new paint job while also upgrading it with a (motor)home theater.

The latest stop for brothers Andrew and Kevin on their cross-Canada journey is the nation's capital itself, Ottawa.

In Arkansas, two storm chasers help warn people that a tornado is barrelling towards them, wreaking havoc on downtown Jonesboro and leaving a trail of destruction. In Idaho, a daredevil adventurer decides to swim beneath a frozen lake.

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

Two devastating earthquakes hit Mexico in quick succession; a maverick traveler sees a volcano blow up in his face in Guatemala; a storm junkie risks his neck.

Drill down on maintenance and safety lapses that derailed amusement park rides.

In the remote Cagayan Valley of the Philippines, archaeologists discover the remains of an ancient rhinoceros; a Brazilian island is infested with thousands of deadly vipers; researchers uncover shocking human remains deep in a Kenyan cave.

A secret Russian military base in the Gobi Desert; a strange complex in an American wasteland; a relic high atop a mountain.

On the island of Pohnpei in Micronesia, explorers discover ancient structures hidden beneath dense vegetation; a strange glowing forest is discovered in India; an immense tunnel system is investigated in the Brazilian jungle.

US Navy Boatswain Mate, Robert Young, witnesses a strange green fog in the heart of the Bermuda triangle and experiences a spiritual warning that saves his life.

In the Australian rain forests of Lake Eacham, a scientist discovers a mysterious mouse-like creature that glows in the dark; strange cylindrical tubes are uncovered in the forests of India; hundreds of human bones are found in a Belizean cave.

Separate the right from the wrong, then try to figure out what's downright impossible; follow a horde of keen players as they vie for glory and a chance to unlock 10,000 pounds trapped inside the giant exclamation mark on stage.

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.

Terra Nova National Park on the Newfoundland coast is a beautiful enigma with a rugged forest.

Visitors from around the world come to La Maurice National Park each fall when the leaves change.

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, and a time-worn secret in the wilds of Peru.

While some fishers struggle to finish the fall season in wild weather, the Kristjansons make a pilgrimage to their ancestral home, Iceland; back home, an early winter storm slams Gimli and commercial fishers risk life and limb.

New parents learn that their backyard floods in the rain and their bedrooms are too cold.

Size up answers with the contestants, who are sure they know what's right, what's wrong and what's impossible; battle through three mind-bending rounds of competition and see if someone cracks the 10,000-pound question.

Siobhán McSweeney is back, as the five remaining potters create a self-sculpture, build their own sawdust kilns and make candlesticks under pressure, for a place in the semi-final.

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.

Cutting-edge archaeological methods help experts unearth the dark secrets hidden at the seven wonders of ancient Rome.

A Russian Infantryman fights an unknown presence in a Chechnyan forest.

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.

In a California desert, a once glittering Hollywood hotspot gets converted into a top-secret interrogation center for POWs; before being shuttered, this high-tech facility gathered reams of valuable wartime intelligence.

A bright blue object streaks across the night sky, evoking a terrifying legend; a mountain defies belief as it collapses like a deck of cards; a pristine lake gets coated in a strange layer of grey gunk.

Tornadoes are among the most powerful and destructive natural hazards in the world, with the U.S. experiencing the most globally; experts explain their formation, while residents of Kentucky and Missouri share harrowing survival stories.

Share the terror as survivors relive the moment when these huge waves rushed in.

Category 4 Hurricane Laura batters Cameron, La.; its wicked winds and torrential rains reach inland to Lake Charles, La.; residents take cover as their windows break, the power goes out and storm surge takes over.

Tornadoes are among the most powerful and destructive natural hazards in the world, with the U.S. experiencing the most globally; experts explain their formation, while residents of Kentucky and Missouri share harrowing survival stories.

Share the terror as survivors relive the moment when these huge waves rushed in.

Investigators use cutting-edge tech to explore seven ancient pyramids from around the world; as experts explore their lost labyrinths and alien relics, they discover unexplained connections between cultures thousands of miles and years apart.

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.

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.

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, and a time-worn secret in the wilds of Peru.

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.

Real estate agent Diana and pharmaceutical industry representative Laith have traveled the world and now wish to settle down in a home on a lake; the tables are turned, as Diana will now be a buyer when she and Laith look at three unique properties.

The Gulf Island National Park sits between the development of Vancouver Island and British Columbia.

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.

Chris starts his season with a massive catch of Tullibee, only to see his happiness cut short; Justin and Mike start in Hecla and hit the motherlode; a critical fish market closes; Richard's close call on the ice.

Homeowners need to act without a home inspection.

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.

The final four must flush away their nerves to create functional urinals, and then recreate iconic Wedgwood Jasperware for the remaining three spots.

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.

Experts investigate the secrets of seven lost cities; investigators use advanced aerial scanning, underwater drones, and 3-D mapping to reveal why these enigmatic civilizations disappeared.

A Russian Infantryman fights an unknown presence in a Chechnyan forest.

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.

In a California desert, a once glittering Hollywood hotspot gets converted into a top-secret interrogation center for POWs; before being shuttered, this high-tech facility gathered reams of valuable wartime intelligence.

Category 4 Hurricane Laura batters Cameron, La.; its wicked winds and torrential rains reach inland to Lake Charles, La.; residents take cover as their windows break, the power goes out and storm surge takes over.

Inspect the wreck of the Mary Celestia, a Civil War ship raised by a hurricane. Encounter imperial relics exposed by a drought in Iraq, the storm-tossed remains of a medieval man, and long-lost wooden artifacts that reshape Native American history.

Experts uncover four global stories of extraordinary curiosities that were once concealed in the deserts of the planet.

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.

Climbers make a shocking discovery when they encounter the remains of two human bodies high atop New Zealand's Mount Cook; after a forensic investigation, a decades-old mystery reignites that could rewrite mountaineering history.

Experts uncover four global stories of extraordinary curiosities that were once concealed in the deserts of the planet.

On a picturesque island off the coast of Brazil, this penal colony was once the site of a dramatic prisoner uprising; among the ruins lies the story of the violent rebellion and the recapturing of the island by military forces.

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 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.

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.

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.

Wealth management consultant Curtis and dance studio owner Emma wish for a serene life by the water; they find a modern retreat on a quiet canal, featuring a contemporary home with an amazing outdoor cabana space.

The remote Auyuittuq National Park is home to polar bears, glaciers and Mount Thor.

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 South Pacific, and puzzling rocky constructions off the coast of Australia.

Frightening ice conditions and poor weather make the early season treacherous; Justin and Mike experience a violent ice-quake that leaves them rattled; Trevor contends with other fishermen setting their nets too close to his.

A home is filled with squirrels.

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.

The potters make a garden totem sculpture that tells their life story, followed by a regal devil's work challenge set by Rich Miller.

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

Investigators use pioneering technology to reveal the hidden story of the Silk Road; a look at lost tombs, ancient DNA and what drives trade along the 4,000-mile-long network.

Watch sinister shapes hover over Chicago and Ruwa, Zimbabwe. Meet an Australian fighting for his life after taking a blast from a mysterious object, then hang back as a UFO appears to taunt a US military fighter jet over the Bermuda Triangle.

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

A luxurious resort outpost for the German elite now lies derelict in the highlands of Argentina; experts investigate and uncover a sprawling vacation estate for Nazi sympathizers that was once a struggling hotel.

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.

Demi Moore starring in the critically acclaimed body-horror "The Substance"; music superstar and actor Lady Gaga; Colin Farrell taking the title role in "The Penguin"; Richard Ayoade talking about his new book "The Unfinished Harauld Hughes.".

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Stephen Fry masters mathematics with Sandi Toksvig, Aisling Bea, Susan Calman and Alan Davies.

Stephen Fry makes merry with marriage and mating with guests Jo Brand, Greg Davies, Bill Bailey, and Alan Davies.

Demi Moore starring in the critically acclaimed body-horror "The Substance"; music superstar and actor Lady Gaga; Colin Farrell taking the title role in "The Penguin"; Richard Ayoade talking about his new book "The Unfinished Harauld Hughes.".

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Stephen Fry masters mathematics with Sandi Toksvig, Aisling Bea, Susan Calman and Alan Davies.

Stephen Fry makes merry with marriage and mating with guests Jo Brand, Greg Davies, Bill Bailey, and Alan Davies.

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.

In New Zealand, the White Island volcano erupts with deadly consequences; a major storm pounds the city of Perth, triggering flash flooding, hail and a near-fatal road accident when a tree is blown on top of a driver.

In Australia, the worst bushfires in recent history attack multiple towns - overwhelming firefighters and trapping tourists; The Philippines is usually resilient to natural disasters, but a 6.4 magnitude earthquake catches everyone off-guard.

In the Philippines, the Taal volcano violently erupts; a snowboarder in Utah rescues himself from a snowy mountain; in the Grand Canyon, mud and rocks barrel down on a group of tourists.

It's January, and the Ice Vikings confront blizzards and bone-crushing cold on a lake that refuses to freeze solid; Trevor is having a terrible season, and he joins Chris at their basecamp near the Narrows, which leads to tension.

Cottage living, maintenance and gardening.

Cottage living, maintenance and gardening.

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.

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.

All crews race toward the end of the season on March 31, desperate to make quota before they're forced off the ice; emotions run high as the Kristjanson crew surveys the damage and recovers what's left of Trevor's narrow gauge bomber.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Having entered the picturesque backroads of Ontario, they are all in need of a little push to keep them going; the pair are giving their road house a new paint job while also upgrading it with a (motor)home theater.

Identifying and fixing disastrous home improvement projects with renovation expert Mike Holmes.

Wildlife Week proves a roaring good time as the potters hand-build animal table lamps; in a Great Pottery Throw Down first, the contestants receive permission to throw anything they want, before a special someone drops by the pottery.

A lace bra and knicker set tests the sewers before they turn thermals into daywear; they must then fit a pair of luxury pyjamas to their male models.

t's biscuit day and Rav asks the bakers to see into the future and make cookies; in the Showstopper the bakers must construct their own 8th wonders of the world.

Inspect the wreck of the Mary Celestia, a Civil War ship raised by a hurricane. Encounter imperial relics exposed by a drought in Iraq, the storm-tossed remains of a medieval man, and long-lost wooden artifacts that reshape Native American history.

Experts uncover four global stories of extraordinary curiosities that were once concealed in the deserts of the planet.

Scattered across the United States are abandoned structures, forgotten ruins of the past and monuments to a bygone era that reveal the secrets of a hidden America.

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.

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.

Share the terror as survivors relive the moment when these huge waves rushed in.

Tornadoes are among the most powerful and destructive natural hazards in the world, with the U.S. experiencing the most globally; experts explain their formation, while residents of Kentucky and Missouri share harrowing survival stories.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Frightening ice conditions and poor weather make the early season treacherous; Justin and Mike experience a violent ice-quake that leaves them rattled; Trevor contends with other fishermen setting their nets too close to his.

Strange aquatic mammals populating a river in Columbia; a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast; a Boeing 727 jetliner hidden in a pine forest; an unusual pattern is discovered in the Nevada desert.

An enormous fiery vortex in Redding, California, the island nation of Malta loses a natural treasure, a mysterious radioactive hotspot is discovered near Chernobyl, and an unknown force lays waste to a mountain forest in Italian Alps.

A long-forgotten network of Native American earthworks, a baffling battlefield mystery in Belgium, a mysterious blood red lake on a remote Greek island, and an eerie pink glow emulating form the middle of the Pacific Ocean.

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.

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.

Desperate to harvest a musk ox, Becky, Dene and Thi head out in to the unforgiving barren lands of the Northwest Territories; Kim and Pierre try to outfox a wolf that threatens their new trap line; Bentley begins preparing a wolf hide for market.

Husband and wife, Ken and Georgia, have worked hard their entire lives and are now looking to reap the benefits of their hard work with a lakefront dream home.

Amanda and Joe are passionate about fitness and are searching for their dream home that has enough space for a home gym; during their search for a lakefront property, they come across a beautiful traditional home situated on five and a half acres.

A growing danger around the world.

Get a lesson in traditional Guatemalan cooking with chef Mirciny Moliviatis and join Jeff for a mouth-watering tour of a local street market. Then meet Juan Pablo Fuentes, who is revolutionizing education with his unique student-first approach.

Joining Global Heroes and Jeff Fuchs on a transformative journey into Guatemala; discovering a sustainable eco-tourism destination and witnessing life-changing community work.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

There's shock in the Bronx, as a vast sinkhole swallows a van.

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

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

Two explorers filming in a nighttime Mexican cemetery discover a humanoid figure lying in a freshly dug grave.

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.

Having entered the picturesque backroads of Ontario, they are all in need of a little push to keep them going; the pair are giving their road house a new paint job while also upgrading it with a (motor)home theater.

Identifying and fixing disastrous home improvement projects with renovation expert Mike Holmes.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Exploring the stories behind mankind's greatest engineering disasters through archives and expert interviews.

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