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

Pay attention as Rick reveals a fresh slate of answers, some of which can't possibly be right; see who gets eliminated and whose smart selections win them a place in the final round and a chance at the juicy 10,000-pound prize.

Host Anthony Burke joins a young couple, Steph and Paul, as they set out bravely and optimistically to write a happy, luxe new chapter for a storied 150-year-old Melbourne institution.

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

A curiously designed, windowless building adorned with gold tinted diamond shapes now stands derelict in Tulsa; experts investigate and uncover a controversial religious figure and the headquarters behind a pioneering form of American TV evangelism.

A huge black ring hovers silently over remote prairie land; a perfectly paved yellow highway exists at the bottom of deep ocean; a hiker appears to miraculously levitate above a rocky landscape.

The bakers are tasked with making biscuits that look like poop emojis; they're challenged with making fairy tale-themed cookies.

Drones reveal what's left of Henry Ford's American suburb in the Brazilian jungle; looking for clues to what killed a once-vibrant Pennsylvania mining town; an aerial glimpse of New York's forgotten ghost town; an Italian Renaissance reduced to dust.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

Granting a new understanding of volcanoes, from spectacular lava tunnels in Hawaii, to ash rich vineyards in Italy and state of the art volcano voice prints.

Drones reveal what's left of Henry Ford's American suburb in the Brazilian jungle; looking for clues to what killed a once-vibrant Pennsylvania mining town; an aerial glimpse of New York's forgotten ghost town; an Italian Renaissance reduced to dust.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

Visitations that leave behind objects or witnesses give us fascinating evidence.

Two tiny orphans struggle to survive; Hope takes a second swing at a release gone wrong.

Mike Holmes and his children tackle a renovation that has fallen off the tracks for expectant parents; the team is on a time-sensitive mission to finish the nursery and the only working bathroom in the house prior to the baby's arrival.

The Red Pyramid at Dahshur is a revolutionary megastructure and the first true pyramid ever constructed in ancient Egypt; experts investigate to reveal the pharaoh who built it and the mystery behind it's trailblazing design.

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.

Emergency personnel search for survivors after a devastating tornado hits Illinois.

The Red Pyramid at Dahshur is a revolutionary megastructure and the first true pyramid ever constructed in ancient Egypt; experts investigate to reveal the pharaoh who built it and the mystery behind it's trailblazing design.

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.

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.

Asking if the seemingly miraculous parting of the Red Sea could be explained as a natural event; a famous bridge collapses in Italy; hundreds of whales are driven onto beaches around the world.

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

Strange cloud rings filmed in the sky over Siberia may be linked to unexplained circles on the ice of a nearby lake; a lighthouse wobbles as it's battered by a storm; spiders travel hundreds of miles through the air.

Asking if the seemingly miraculous parting of the Red Sea could be explained as a natural event; a famous bridge collapses in Italy; hundreds of whales are driven onto beaches around the world.

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

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

Nearly a decade after the ancient site of Nimrud was destroyed by terrorists, experts return to salvage the wreckage; archaeologists piece together the remaining ruins to reveal the origins and brutal decline of a lost empire.

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.

The Red Pyramid at Dahshur is a revolutionary megastructure and the first true pyramid ever constructed in ancient Egypt; experts investigate to reveal the pharaoh who built it and the mystery behind it's trailblazing design.

The bakers make brightly colored tiger pretzels; they go wild making animals sculpted from bread.

Kim and Pierre redouble their efforts to harvest a moose; Becky pushes herself to the limit for her dogs; Bentley and his father build a summer runway for their plane; Jon and his two sons look to the past to help them build for their future.

Deep in the mountain valley before a devastating storm breaks, the group reflects on the profound changes the journey has brought them; the crew is united by another teaching that ties into the last one when they learn to make drums.

Everything comes to a head as heavy snow signals the end of the journey is near; their final days are filled with a mixture of melancholy, excitement, bow making, and reflection.

Scientists, historians and archeologists attempt to unravel mysteries of history.

As seen from space, a crater in Turkmenistan, is on fire; drones reveal perfect circles in the Namibian desert; A puzzle is solved by a World War 2 code breaker; Mystery of Death Valley's self-moving stones; Utah's strange electric blue ponds.

Travel to Cairo to examine a stunning find under the Pyramid of Unas' watchful eye. Search for a 16th-century Portuguese shipwreck in the Namib Desert, unearth a WW II plane that crashed in the Sahara, and study a fossilized missing link in Taiwan.

Paid programming.

Officials have to decide how to confront a large, unidentified object hovering over one of America's most secure Air Force bases; a priest communicates with four beings on a saucer-shaped metallic craft in Papua, New Guinea.

A most unusual fawn arrives on Hope's doorstep; a graveyard is the spooky setting for an unlikely reunion.

John and Tanya purchase a 171-year-old home after a contractor guarantees it has been totally updated; John and Tanya encounter one problem after another, and they worry someone is going to fall through their spongy and sinking family-room floor.

When Pompeii was destroyed by an apocalyptic volcano in 79 AD, another Roman town was destroyed as well; experts use cutting-edge tech to investigate the secrets of Vesuvius' second victim.

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.

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.

When Pompeii was destroyed by an apocalyptic volcano in 79 AD, another Roman town was destroyed as well; experts use cutting-edge tech to investigate the secrets of Vesuvius' second victim.

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.

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.

Scientists, historians and archeologists attempt to unravel mysteries of history.

Travel to Cairo to examine a stunning find under the Pyramid of Unas' watchful eye. Search for a 16th-century Portuguese shipwreck in the Namib Desert, unearth a WW II plane that crashed in the Sahara, and study a fossilized missing link in Taiwan.

Mountain climbers in California find the body of a U.S. Army soldier; strange bundles of canvas and wood are discovered on an Alaskan mountain; volcanic glass is found in an unexpected place; a vital World War II weather station is uncovered.

Scientists, historians and archeologists attempt to unravel mysteries of history.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

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.

Strange cloud rings filmed in the sky over Siberia may be linked to unexplained circles on the ice of a nearby lake; a lighthouse wobbles as it's battered by a storm; spiders travel hundreds of miles through the air.

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.

When Pompeii was destroyed by an apocalyptic volcano in 79 AD, another Roman town was destroyed as well; experts use cutting-edge tech to investigate the secrets of Vesuvius' second victim.

Bakers are challenged to make decadent brownies paired with chocolate pudding and whipped cream; then, they make a monstrous showstopper.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

Dr. Cori does emergency surgery on Bijoux, a tiny shih tzu puppy in a life-or-death situation; Dr. Allison brings her veterinarian skills to help a small northern Saskatchewan Cree community with the health of their pets.

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.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

Officials have to decide how to confront a large, unidentified object hovering over one of America's most secure Air Force bases; a priest communicates with four beings on a saucer-shaped metallic craft in Papua, New Guinea.

Most accounts of UFO sightings can be explained by and attributed to normal earthly phenomena. Those that cannot be solved, however, have police investigators, government officials and researchers puzzled, even decades later in some cases. In each episode of "Close Encounters," two stories of alien phenomena around the world are investigated, re-created and reviewed by researchers. In the telling of each one, the program reveals to viewers facts about thousands of reported occurrences.

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

A marathon dreams of designing the perfect kitchen; she hires a contractor who is unqualified for the job and winds up compromising her home's structure; now, it's up to Mike and his children to make things right and restore her peace of mind.

Hadrian's Villa is the largest Roman palace ever constructed and demonstrates the opulent peak of Rome's ancient engineering; experts investigate secrets that could reveal the truth behind one of Rome's most enigmatic emperors.

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

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

Hadrian's Villa is the largest Roman palace ever constructed and demonstrates the opulent peak of Rome's ancient engineering; experts investigate secrets that could reveal the truth behind one of Rome's most enigmatic emperors.

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.

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

Actor Jamie Foxx; actress Cameron Diaz; actress Michelle Yeoh; actor Jonathan Bailey; Griff performs.

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

Jason Manford, Romesh Ranganathan, Holly Walsh and Alan Davies learn the best way to wrap an awkwardly shaped present and get wine stains out of a carpet.

Sandi Toksvig looks into some origins and openings with Josh Widdicombe, Susan Calman, Rich Hall and Alan Davies.

Actor Jamie Foxx; actress Cameron Diaz; actress Michelle Yeoh; actor Jonathan Bailey; Griff performs.

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

Jason Manford, Romesh Ranganathan, Holly Walsh and Alan Davies learn the best way to wrap an awkwardly shaped present and get wine stains out of a carpet.

Sandi Toksvig looks into some origins and openings with Josh Widdicombe, Susan Calman, Rich Hall and Alan Davies.

Pay attention as Rick reveals a fresh slate of answers, some of which can't possibly be right; see who gets eliminated and whose smart selections win them a place in the final round and a chance at the juicy 10,000-pound prize.

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

Hadrian's Villa is the largest Roman palace ever constructed and demonstrates the opulent peak of Rome's ancient engineering; experts investigate secrets that could reveal the truth behind one of Rome's most enigmatic emperors.

Judge Ravneet Gill raises the bar with a sweet churro challenge; the remaining bakers must make pies with a savory filling.

Scientists, historians and archeologists attempt to unravel mysteries of history.

Travel to Cairo to examine a stunning find under the Pyramid of Unas' watchful eye. Search for a 16th-century Portuguese shipwreck in the Namib Desert, unearth a WW II plane that crashed in the Sahara, and study a fossilized missing link in Taiwan.

Stand around waiting for parts with the bros after the RV gives up the ghost in the second-to-last province on their route. See them make the best of their free time with an improvised parking lot tavern that turns into a snore-free mini-bedroom.

Brothers Andrew and Kevin are stoked to finally be in British Columbia, the final stop on their cross-Canada journey.

When seen from above, the pyramids of Giza align with the stars; survivors of Katrina find rescue when least expected; a volcano burns bright blue; a forgotten beach reveals its secrets.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

Mountain climbers in California find the body of a U.S. Army soldier; strange bundles of canvas and wood are discovered on an Alaskan mountain; volcanic glass is found in an unexpected place; a vital World War II weather station is uncovered.

Scientists, historians and archeologists attempt to unravel mysteries of history.

Actor Jamie Foxx; actress Cameron Diaz; actress Michelle Yeoh; actor Jonathan Bailey; Griff performs.

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

Sandi Toksvig and guests Sarah Millican, Cariad Lloyd, Alice Levine and Alan Davies look at objects and ornaments, discover where to find an actual UFO and meet the world's best-dressed crab.

Sandi Toksvig takes a look at the occult and how a Hand of Glory may have the power to make people rich, with Aisling Bea, Russell Brand, Noel Fielding and Alan Davies.

Pay attention as Rick reveals a fresh slate of answers, some of which can't possibly be right; see who gets eliminated and whose smart selections win them a place in the final round and a chance at the juicy 10,000-pound prize.

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.

The bakers are tasked with making biscuits that look like poop emojis; they're challenged with making fairy tale-themed cookies.

Pay attention as Rick reveals a fresh slate of answers, some of which can't possibly be right; see who gets eliminated and whose smart selections win them a place in the final round and a chance at the juicy 10,000-pound prize.

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

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

Asking if the seemingly miraculous parting of the Red Sea could be explained as a natural event; a famous bridge collapses in Italy; hundreds of whales are driven onto beaches around the world.

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

Host Anthony Burke joins a young couple, Steph and Paul, as they set out bravely and optimistically to write a happy, luxe new chapter for a storied 150-year-old Melbourne institution.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific; a 10,000-year-old mystery in the murky depths of the Yucatan Peninsula.

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

Sandi Toksvig and guests Sarah Millican, Cariad Lloyd, Alice Levine and Alan Davies look at objects and ornaments, discover where to find an actual UFO and meet the world's best-dressed crab.

Sandi Toksvig takes a look at the occult and how a Hand of Glory may have the power to make people rich, with Aisling Bea, Russell Brand, Noel Fielding and Alan Davies.

Pay attention as Rick reveals a fresh slate of answers, some of which can't possibly be right; see who gets eliminated and whose smart selections win them a place in the final round and a chance at the juicy 10,000-pound prize.

Sandi Toksvig and guests Sarah Millican, Cariad Lloyd, Alice Levine and Alan Davies look at objects and ornaments, discover where to find an actual UFO and meet the world's best-dressed crab.

Sandi Toksvig takes a look at the occult and how a Hand of Glory may have the power to make people rich, with Aisling Bea, Russell Brand, Noel Fielding and Alan Davies.

Granting a new understanding of volcanoes, from spectacular lava tunnels in Hawaii, to ash rich vineyards in Italy and state of the art volcano voice prints.

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.

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.

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

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

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.

A three-part challenge puts the competitors' technical abilities, speed, and precision to the test.

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

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

Host Anthony Burke joins a young couple, Steph and Paul, as they set out bravely and optimistically to write a happy, luxe new chapter for a storied 150-year-old Melbourne institution.

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

With the waterways open, Alaskans navigate rivers for key resources.

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.

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.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

Travel to Cairo to examine a stunning find under the Pyramid of Unas' watchful eye. Search for a 16th-century Portuguese shipwreck in the Namib Desert, unearth a WW II plane that crashed in the Sahara, and study a fossilized missing link in Taiwan.

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.

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

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

Scientists, historians and archeologists attempt to unravel mysteries of history.

With the waterways open, Alaskans navigate rivers for key resources.

Asking if the seemingly miraculous parting of the Red Sea could be explained as a natural event; a famous bridge collapses in Italy; hundreds of whales are driven onto beaches around the world.

On the hunt for a steady supply of fish, Bentley and his father, Gary, brave subzero temperatures on a remote, frozen lake; Jon heads into the bush on a mission.

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.

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.

Phil Risko's team at Northstar works fast to refloat a trawler that's been blown onto the shore of a national park in New Jersey; the team improvises to get it back to sea before it suffers further damage.

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

Texas police receive multiple calls about a 200-foot flying object; Two farmers witness the bizarre sighting up close; In Scotland, a property inspector is knocked unconscious when he comes in contact with a mysterious metallic object.

In Brazil, three men escape a close encounter that lasted hours longer than they realized; in Canada, a thirteen-year-old boy is blinded temporally after investigating a bizarre object near his home.

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.

Paid programming.

Two members of Hope's team travel to England to discover new techniques and make allies on the front lines of animal rescue.

Problems with a contractor halt the addition of a much-needed second floor.

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.

Earthquakes, droughts and collapsing dams expose artifacts and graves.

The legendary city of Kish, Iraq, lies at the cradle of human civilization and home to some of the world's first kings; using cutting-edge tech, experts investigate the buried secrets of this lost city to uncover the first origins of royalty.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

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 twister traps teachers and pupils at an American school; wildfires rip across the moors in the north of England; in Argentina, a trek nearly ends in tragedy for a group of hikers; in Africa, a man is on a mission to descend into a volcano.

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.

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

Encounter kids' drawings on the walls in Pompeii that expose the city's violent gladiatorial past; check out a mythical sculpture unearthed by an Indian tsunami, a 12-century temple in quake-prone Mexico; a sunken ship in Utah's Great Salt Lake.

A twister traps teachers and pupils at an American school; wildfires rip across the moors in the north of England; in Argentina, a trek nearly ends in tragedy for a group of hikers; in Africa, a man is on a mission to descend into a volcano.

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.

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

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.

The legendary city of Kish, Iraq, lies at the cradle of human civilization and home to some of the world's first kings; using cutting-edge tech, experts investigate the buried secrets of this lost city to uncover the first origins of royalty.

The top four bakers from each heat meet in the kitchen for Finals Week, where street foods - from falafel wraps to doughnuts - are on the menu.

When seen from above, the pyramids of Giza align with the stars; survivors of Katrina find rescue when least expected; a volcano burns bright blue; a forgotten beach reveals its secrets.

Unveil the legacy of a prehistoric Peruvian hunter and dig up what may be the ruins of a fabled Roman seaside city in Tunisia. Listen to a haunting sand-dune symphony in Mongolia, then catalogue a trove of human and animal bones in Saudi Arabia.

Archaeologists make a grim discovery when they uncover the remains of a mummified boy buried in the frozen Siberian landscape, and as researchers continue their excavation, they uncover 88 additional graves linked to a mysterious, ancient necropolis.

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

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

Encounter kids' drawings on the walls in Pompeii that expose the city's violent gladiatorial past; check out a mythical sculpture unearthed by an Indian tsunami, a 12-century temple in quake-prone Mexico; a sunken ship in Utah's Great Salt Lake.

Barry and Hayley's adventure in the UK continues at a rehab center where they use the latest in alternative therapies.

Mike does an inspection on the home of a savvy first time buyer.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

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.

Encounter kids' drawings on the walls in Pompeii that expose the city's violent gladiatorial past; check out a mythical sculpture unearthed by an Indian tsunami, a 12-century temple in quake-prone Mexico; a sunken ship in Utah's Great Salt Lake.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

In the jungles of southern Mexico, a rancher discovers dozens of skulls and bones on a cave floor; strange grass-covered domes are investigated in the Philippines; archaeologists uncover carved stone figures on the Hawaiian island of Kauai.

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.

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

Sandi Toksvig organizes an omnishambles with Josh Widdicombe, Stephen K. Amos, Cally Beaton and Alan Davies.

Sandi Toksvig welcomes Jason Manford, Jimmy Carr, Victoria Coren Mitchell and Alan Davies to take a look at oddball games.

In Orange NSW, first responders Chris and Mel have found all the cosmopolitan comforts of city living along with fresh air, big skies, open spaces and a sweet Edwardian fixer-upper called Bega.

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

Pick through a dizzying array of questions and answers as Rick tries to separate the winners from the rest of the pack; cheer as one lucky contestant gets a chance to unleash a spectacular torrent of 10,000 one-pound coins.

In Orange NSW, first responders Chris and Mel have found all the cosmopolitan comforts of city living along with fresh air, big skies, open spaces and a sweet Edwardian fixer-upper called Bega.

Unraveling the intricate details of high-profile accidents, from structural collapses to technological failures using cutting-edge 3D animation and CGI to get inside the disaster and identify what went wrong, how and when..

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.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

The bakers are tasked with making a cake that's trendy in Japan and an array of tartlets featuring flavors from around the world.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

Unveil the legacy of a prehistoric Peruvian hunter and dig up what may be the ruins of a fabled Roman seaside city in Tunisia. Listen to a haunting sand-dune symphony in Mongolia, then catalogue a trove of human and animal bones in Saudi Arabia.

Discover the devastation snow can bring as a hurricane blizzard hits the eastern coast of Canada in 2020. Then glimpse its icy beauty in mesmerizing brinicles and snow flowers, and learn how artificial glaciers can be used to alleviate drought.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

In the jungles of southern Mexico, a rancher discovers dozens of skulls and bones on a cave floor; strange grass-covered domes are investigated in the Philippines; archaeologists uncover carved stone figures on the Hawaiian island of Kauai.

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

A bobcat kitten needs Hope's help but this little orphan causes big headaches.

A house with a big kitchen addition gets an inspection.

Nearly a decade after the ancient site of Nimrud was destroyed by terrorists, experts return to salvage the wreckage; archaeologists piece together the remaining ruins to reveal the origins and brutal decline of a lost empire.

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.

Explore evidence that ties a meteor strike to a Biblical tale; delve into a treasure-filled tunnel revealed by a sinkhole in Mexico, a medieval cave shrine exposed during a UK landslide and famine warnings brought to light by a severe drought.

Nearly a decade after the ancient site of Nimrud was destroyed by terrorists, experts return to salvage the wreckage; archaeologists piece together the remaining ruins to reveal the origins and brutal decline of a lost empire.

The origins of a colossal image of a man carved into the red sands of Central Australia; mysterious mummies and peculiar whale bones resting in two different parts of Chile's Atacama Desert; a lost Egyptian tomb.

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 deadly balloon bomb threatens the Manhattan Project during World War II; India is rocked by unexpected Himalayan floods outside monsoon season; a pandemic shuts down the world.

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

A cigar-shaped hole in the clouds in Michigan; how to explain ghostly ice apples that appear on a tree after a ferocious winter storm; a strange jelly that falls from the sky into a garden in West Virginia.

A deadly balloon bomb threatens the Manhattan Project during World War II; India is rocked by unexpected Himalayan floods outside monsoon season; a pandemic shuts down the world.

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

Leaders and representatives of Aboriginal communities show Zac and Darin how indigenous cultures live to protect and preserve the land.

The Avenue of the Sphinxes has now been unearthed in the biggest excavation in Egyptian history; using cutting-edge CGI, investigators reveal the hidden secrets of the sphinxes.

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.

Nearly a decade after the ancient site of Nimrud was destroyed by terrorists, experts return to salvage the wreckage; archaeologists piece together the remaining ruins to reveal the origins and brutal decline of a lost empire.

Magic is in the air during the quarterfinal as contestants craft biscuit card towers from gingerbread and create revealing "fault line" cakes.

Kim and Pierre's trapline expansion is well underway when a troublesome local resident threatens to derail their plans; Jon and his wife Lally brave extreme arctic conditions as they attempt to secure a supply of food.

Past and future collide as the final days bring a very special visitor to camp; thoughts of going home fill the Adventurers with mixed emotions.

Months after the journey's end, the Indigenous explorers reflect with Caleb Musgrave on their time spent in Syilx territory; reunited for the first time, the group shares the moments that changed them forever.

Scientists, historians and archeologists attempt to unravel mysteries of history.

Revealing the truth behind the planet's ancient legends; touring an island covered in polar bears, twin craters in Greece, peeking at a supervolcano hidden under Yellowstone Park and examining an ocean formation that's eerily similar to Atlantis.

Unveil the legacy of a prehistoric Peruvian hunter and dig up what may be the ruins of a fabled Roman seaside city in Tunisia. Listen to a haunting sand-dune symphony in Mongolia, then catalogue a trove of human and animal bones in Saudi Arabia.

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Texas police receive multiple calls about a 200-foot flying object; Two farmers witness the bizarre sighting up close; In Scotland, a property inspector is knocked unconscious when he comes in contact with a mysterious metallic object.

Hope Swinimer rescues, rehabilitates and releases thousands of animals while struggling to make ends meet.

A homeowner finds something that could put the health of their small family at risk.

The Avenue of the Sphinxes has now been unearthed in the biggest excavation in Egyptian history; using cutting-edge CGI, investigators reveal the hidden secrets of the sphinxes.

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.

Encounter kids' drawings on the walls in Pompeii that expose the city's violent gladiatorial past; check out a mythical sculpture unearthed by an Indian tsunami, a 12-century temple in quake-prone Mexico; a sunken ship in Utah's Great Salt Lake.

The Avenue of the Sphinxes has now been unearthed in the biggest excavation in Egyptian history; using cutting-edge CGI, investigators reveal the hidden secrets of the sphinxes.

Discover 10 perfectly preserved Byzantine-era crocodiles on the banks of the Nile. Untangle the puzzle of the Namib Desert's grass circles, locate the remnants of a lost foreign-ruled city in Egypt, and solve the riddle of Peru's Band of Holes.

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.

Scientists, historians and archeologists attempt to unravel mysteries of history.

Unveil the legacy of a prehistoric Peruvian hunter and dig up what may be the ruins of a fabled Roman seaside city in Tunisia. Listen to a haunting sand-dune symphony in Mongolia, then catalogue a trove of human and animal bones in Saudi Arabia.

Archaeologists make a grim discovery when they uncover the remains of a mummified boy buried in the frozen Siberian landscape, and as researchers continue their excavation, they uncover 88 additional graves linked to a mysterious, ancient necropolis.

Scientists, historians and archeologists attempt to unravel mysteries of history.

In the jungles of southern Mexico, a rancher discovers dozens of skulls and bones on a cave floor; strange grass-covered domes are investigated in the Philippines; archaeologists uncover carved stone figures on the Hawaiian island of Kauai.

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.

A cigar-shaped hole in the clouds in Michigan; how to explain ghostly ice apples that appear on a tree after a ferocious winter storm; a strange jelly that falls from the sky into a garden in West Virginia.

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.

The Avenue of the Sphinxes has now been unearthed in the biggest excavation in Egyptian history; using cutting-edge CGI, investigators reveal the hidden secrets of the sphinxes.

With pâtisserie as their proving ground, the remaining bakers must battle it out making handbag-shaped macarons and a 3-D choux pastry centerpiece.

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.

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.

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.

In the jungles of southern Mexico, a rancher discovers dozens of skulls and bones on a cave floor; strange grass-covered domes are investigated in the Philippines; archaeologists uncover carved stone figures on the Hawaiian island of Kauai.

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.

Texas police receive multiple calls about a 200-foot flying object; Two farmers witness the bizarre sighting up close; In Scotland, a property inspector is knocked unconscious when he comes in contact with a mysterious metallic object.

In Brazil, three men escape a close encounter that lasted hours longer than they realized; in Canada, a thirteen-year-old boy is blinded temporally after investigating a bizarre object near his home.

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

Mike does an inspection of a flipped house.

Palmyra: pearl of the Syrian desert; experts return to the site and use CGI reconstruction to reveal the secrets of Palmyra's ancient engineers.

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

Examine how seismic activity exposed WW II vessels near Iwo Jima; unravel clues to Maya political intrigue in Guatemala; see why footprints found post-storm are changing English migration history; visit a Neolithic wall on an eroding Scottish coast.

Palmyra: pearl of the Syrian desert; experts return to the site and use CGI reconstruction to reveal the secrets of Palmyra's ancient engineers.

Investigating an odd phenomenon that makes rocks slide across Death Valley; learning how pieces of jade rewrite Chinese history; examining animal bones that could show an earlier human arrival in the Americas; visiting Earth's oldest stone circle.