Relive the Flight of the Crow, a trek across Nazi-occupied Europe; find out how two Austrian mountaineers hiked their way out of the Himalayas, then learn why 378 Japanese POWs risked it all in Australia's bloody Cowra Breakout.

Five months after D-Day, the ground war finally arrives on German soil as British soldiers attack in the shadow of Hitler's infamous Siegfried Line.

The story of "America's first serial killer," who stalked Chicago in the 1890's, and how the police departments of two major cities finally brought him to justice.

Exploring how Pharaoh Snefru shifted the pyramid age into high gear by ordering three massive monuments.

The story of "America's first serial killer," who stalked Chicago in the 1890's, and how the police departments of two major cities finally brought him to justice.

Five months after D-Day, the ground war finally arrives on German soil as British soldiers attack in the shadow of Hitler's infamous Siegfried Line.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

Earth's closest neighbor, the moon, is the cosmic stepping stone to a future with the planets.

The St. Lawrence River is one that forged North America, allowing ships to traverse the continent; the adventure begins in Canada's first capital city of Kingston and near Canada's second-largest city of Montreal.

Come across a set of disturbingly familiar stone monoliths in Colombia, then explore a lost city in the Sierra Nevada de Santa Marta; puzzle over an ancient ruin in Corinth, Greece, and explore an old structure on a Maltese island.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

Earth's closest neighbor, the moon, is the cosmic stepping stone to a future with the planets.

From the waters of Juan de Fuca Strait to Gulf Islands National Park Reserve.

Come across a set of disturbingly familiar stone monoliths in Colombia, then explore a lost city in the Sierra Nevada de Santa Marta; puzzle over an ancient ruin in Corinth, Greece, and explore an old structure on a Maltese island.

Celebrating one of humanities biggest engineering achievements, the International Space Station, a meteor proof lab bigger than a football field, constructed by astronauts traveling 250 miles above us at 17,500 miles an hour.

Paying tribute to the brave, gravity-defying design of the U.S. National Medal of Honor Museum; traveling to Singapore for a look at a leaning tower of gambling, then exploring a New York City office building that lets the sun shine through.

Peek inside a cloud-inspired library in Canada that's built over a live railway; see how clever engineering helped a huge Seattle skyscraper go up without harming its iconic neighbour, then cross an Australian bridge that floats above a busy river.

Defy gravity in an Amsterdam high-rise that hangs 164 feet above the water; marvel at three interconnected towers in Chicago that have a road running through them; examine the revolutionary framework of Paris' controversial Pompidou Centre.

Experts explore the Pyramid of Sekhemkhet, built over 4,500 years ago; hidden underground tomb and sarcophagus, filmed for the first time, reveal ancient secrets near Cairo.

Dig up an epic find in South Dakota that fuels suspicion and misfortune, then examine an Egyptian boy king's tomb plagued by an ancient curse. Study a haunted English painting and ponder a relic coveted by a king that may have doomed his reign.

At the heart of Saqqara, the largest necropolis in Egypt is the Step Pyramid of Djoser, built around 2600 BC.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

Traveling from Canada to Belgium to the Southern U.S. to examine an eye-popping school, museum and railway station and reveal how they were built.

Host Mike Davidson goes to the remote Atacama desert in Chile; at observatory ALMA he works alongside the expert team as they repair some of the world's biggest antennas.

Going on a journey across Lithuania on big trains packed to the brim as massive ships wait to collect their bounty and take it across the ocean.

Traveling from Canada to Belgium to the Southern U.S. to examine an eye-popping school, museum and railway station and reveal how they were built.

Mike Davidson heads to Brazil, where an offshore crew is racing the clock to set up giant power ships to deliver electricity to a country in desperate need.

Seeing some of the world's biggest and most complicated machines and exploring the dirtiest jobs and the missions of hardhat heroes from across the globe.

Traveling from Canada to Belgium to the Southern U.S. to examine an eye-popping school, museum and railway station and reveal how they were built.

Mike Davidson heads to Brazil, where an offshore crew is racing the clock to set up giant power ships to deliver electricity to a country in desperate need.

Mike Davidson heads to Brazil, where an offshore crew is racing the clock to set up giant power ships to deliver electricity to a country in desperate need.

Seeing some of the world's biggest and most complicated machines and exploring the dirtiest jobs and the missions of hardhat heroes from across the globe.

Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

Following marine salvage teams as they race against the clock to recover ships wrecked by fierce storms that rage across the globe.

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.

Stories of some of the greatest and deadliest submarine patrols of World War II.

In rough water, salvors scramble to retrieve a cruise ship's anchor lost at sea; teams hope to salvage cherished floating homes damaged by hurricane Sandy.

Stories of some of the greatest and deadliest submarine patrols of World War II.

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.

Stories of some of the greatest and deadliest submarine patrols of World War II.

A fleet of spacecraft orbits, and sometimes lands on the surface of, Mars.

Stories of some of the greatest and deadliest submarine patrols of World War II.

Paid programming.

In rough water, salvors scramble to retrieve a cruise ship's anchor lost at sea; teams hope to salvage cherished floating homes damaged by hurricane Sandy.

Follows an archaeological team in Cambodia as it uncovers the mysteries of Angkor Wat.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

From the devastatingly bombed streets of London to industrial Chicago to Nazi Berlin, capturing nail-biting criminal investigations to prove that everything is not always what it seems.

Footage of life and death on the battlefield of El Alamein and behind the lines in the African desert.

Some people like to hop in a car to take a road trip across America, visiting as many landmarks as possible along the way. Since such a trek can take a while to complete, taking a flight across America might be a better option for some people. "Aerial America" takes viewers on such a flight, offering rare looks at some of the nation's best-loved landmarks from high in the sky. Cameras capture the history and pageantry of America as they zoom over busy cityscapes and quiet, rural lands. Many episodes focus on a specific state, showcasing highlights of the state's beauty, while others revolve around themes such as the best small towns and natural wonders found in the country.

A look at the British multirole fighter aircraft; the de Havilland Mosquito was used in the Second World War as a bomber, fighter and reconnaissance aircraft.

Loaded with mind-blowing factoids and stats, entertaining expert interviews, and infographics injected with cheeky humor.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

Seeing some of the world's biggest and most complicated machines and exploring the dirtiest jobs and the missions of hardhat heroes from across the globe.

A different view of the events in the Arctic during World War II, with unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

Exploring machines invented for human survival in the extreme cold across the planet.

Host Mike Davidson goes to the remote Atacama desert in Chile; at observatory ALMA he works alongside the expert team as they repair some of the world's biggest antennas.

Follows an archaeological team in Cambodia as it uncovers the mysteries of Angkor Wat.

Traveling from Canada to Belgium to the Southern U.S. to examine an eye-popping school, museum and railway station and reveal how they were built.

A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f.

Race to resupply farmers after Mount Spurr starts to rumble; the Anchorage International operations team handles two emergency landings; answering the call when a family asks for help getting to a vital school basketball game.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f.

Race to resupply farmers after Mount Spurr starts to rumble; the Anchorage International operations team handles two emergency landings; answering the call when a family asks for help getting to a vital school basketball game.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f.

Race to resupply farmers after Mount Spurr starts to rumble; the Anchorage International operations team handles two emergency landings; answering the call when a family asks for help getting to a vital school basketball game.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

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.

Crews work around the clock to build the world's largest underwater concrete bed to salvage the Costa Concordia; operating in secrecy, teams work under high security to repair one of the world's most iconic cruise liners.

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.

Jupiter, Saturn, Uranus and Neptune all have exotic atmospheres, liquid interiors and rings.

Paid programming.

Crews work around the clock to build the world's largest underwater concrete bed to salvage the Costa Concordia; operating in secrecy, teams work under high security to repair one of the world's most iconic cruise liners.

Relive the Flight of the Crow, a trek across Nazi-occupied Europe; find out how two Austrian mountaineers hiked their way out of the Himalayas, then learn why 378 Japanese POWs risked it all in Australia's bloody Cowra Breakout.

A look at the British multirole fighter aircraft; the de Havilland Mosquito was used in the Second World War as a bomber, fighter and reconnaissance aircraft.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Stumble upon the largest Anglo-Saxon hoard in the wake of an ominous storm, then assess a precious stone's bloody curse. Discover the unforeseen consequences of disturbing an immortal Chinese army and get mesmerized by a divisive Egyptian sculpture.

Investigating whether the pharaoh who ordered the building of the Great Pyramid of Giza was really the tyrant he was said to be.

A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f.

Race to resupply farmers after Mount Spurr starts to rumble; the Anchorage International operations team handles two emergency landings; answering the call when a family asks for help getting to a vital school basketball game.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

On D-Day and later in June 1944, the USS Texas helps silence batteries of German artillery and gun positions defending the landing beaches and the port city of Cherbourg.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap.

On D-Day and later in June 1944, the USS Texas helps silence batteries of German artillery and gun positions defending the landing beaches and the port city of Cherbourg.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap.

Investigating whether the pharaoh who ordered the building of the Great Pyramid of Giza was really the tyrant he was said to be.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap.

Investigating whether the pharaoh who ordered the building of the Great Pyramid of Giza was really the tyrant he was said to be.

The journey down the attraction-packed Niagara River is filled with adventure and beauty; navigating the fascinating history and engineering of this border river between Canada and the United States, arriving at the world-famous Niagara Falls.

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.

Salvaging a 50-foot motor yacht in Islamorada, Fla.; a 44-foot launch hung up on a dam on the Mississippi River; repairing a major storm gate in the British Isles.

A fleet of spacecraft orbits, and sometimes lands on the surface of, Mars.

Paid programming.

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.

Salvaging a 50-foot motor yacht in Islamorada, Fla.; a 44-foot launch hung up on a dam on the Mississippi River; repairing a major storm gate in the British Isles.

A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f.

A different view of the events in the Arctic during World War II, with unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap.

On D-Day and later in June 1944, the USS Texas helps silence batteries of German artillery and gun positions defending the landing beaches and the port city of Cherbourg.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Meidum is the least-known of the pyramids of Egypt as it stretches skywards to resemble a castle keep.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Meidum is the least-known of the pyramids of Egypt as it stretches skywards to resemble a castle keep.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Meidum is the least-known of the pyramids of Egypt as it stretches skywards to resemble a castle keep.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

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.

The journey down the attraction-packed Niagara River is filled with adventure and beauty; navigating the fascinating history and engineering of this border river between Canada and the United States, arriving at the world-famous Niagara Falls.

The history of the solar system might be preserved out in the dark domain of Pluto and beyond.

Paid programming.

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.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

Footage of life and death on the battlefield of El Alamein and behind the lines in the African desert.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

A look at the British multirole fighter aircraft; the de Havilland Mosquito was used in the Second World War as a bomber, fighter and reconnaissance aircraft.

Host Mike Davidson goes to the remote Atacama desert in Chile; at observatory ALMA he works alongside the expert team as they repair some of the world's biggest antennas.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Meidum is the least-known of the pyramids of Egypt as it stretches skywards to resemble a castle keep.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

Look into the strange disappearance of the Lost Colony of Roanoke in 1590, then discover how the Hope Diamond was stolen during the French Revolution. Pinpoint new clues that could explain why the USS Cyclops vanished in 1918 in the Bermuda Triangle.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

Look into the strange disappearance of the Lost Colony of Roanoke in 1590, then discover how the Hope Diamond was stolen during the French Revolution. Pinpoint new clues that could explain why the USS Cyclops vanished in 1918 in the Bermuda Triangle.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

Look into the strange disappearance of the Lost Colony of Roanoke in 1590, then discover how the Hope Diamond was stolen during the French Revolution. Pinpoint new clues that could explain why the USS Cyclops vanished in 1918 in the Bermuda Triangle.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

New York's Hudson River stretches 315 miles through natural landscapes, from the Adirondack Mountains to the George Washington Bridge and Statue of Liberty.

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.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

A fleet of spacecraft orbits, and sometimes lands on the surface of, Mars.

The history of the solar system might be preserved out in the dark domain of Pluto and beyond.

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.

New York's Hudson River stretches 315 miles through natural landscapes, from the Adirondack Mountains to the George Washington Bridge and Statue of Liberty.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

Footage of life and death on the battlefield of El Alamein and behind the lines in the African desert.

A different view of the events in the Arctic during World War II, with unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

Archaeologists reveal how the Colosseum came to symbolize the might of Rome.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

Look into the strange disappearance of the Lost Colony of Roanoke in 1590, then discover how the Hope Diamond was stolen during the French Revolution. Pinpoint new clues that could explain why the USS Cyclops vanished in 1918 in the Bermuda Triangle.

Retracing the steps of a German U-boat that's willing to do anything to replace its dwindling fuel and food stores, and get back to port; examining how the crew, plagued by scurvy, turns the tables on the US submarines that try to ram their ship.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

In 1943, the United States engages in a new series of island-hopping invasions; the first stop is the Tarawa Atoll, where troops embark upon the largest amphibious invasion ever staged in the Pacific to fight one of the costliest battles of the war.

Retracing the steps of a German U-boat that's willing to do anything to replace its dwindling fuel and food stores, and get back to port; examining how the crew, plagued by scurvy, turns the tables on the US submarines that try to ram their ship.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

In 1943, the United States engages in a new series of island-hopping invasions; the first stop is the Tarawa Atoll, where troops embark upon the largest amphibious invasion ever staged in the Pacific to fight one of the costliest battles of the war.

Retracing the steps of a German U-boat that's willing to do anything to replace its dwindling fuel and food stores, and get back to port; examining how the crew, plagued by scurvy, turns the tables on the US submarines that try to ram their ship.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

In 1943, the United States engages in a new series of island-hopping invasions; the first stop is the Tarawa Atoll, where troops embark upon the largest amphibious invasion ever staged in the Pacific to fight one of the costliest battles of the war.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

A dramatic repair mission gives the Hubble Space Telescope another chance to capture stunning pictures like only it can.

In the future, telescopes will allow scientists to see further to planets that may support life.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

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 dramatic repair mission gives the Hubble Space Telescope another chance to capture stunning pictures like only it can.

In the future, telescopes will allow scientists to see further to planets that may support life.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

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.

German U-boats roam the seas in packs, threatening to starve Britain into submission during World War II.

Great Britain faces losing its battle for survival against German U-boats until a new source of intelligence turns the tide in 1941.

The German U-boat hunters become the hunted as advances in technology turn the tide in the Allies' favor.

German U-boats roam the seas in packs, threatening to starve Britain into submission during World War II.

Great Britain faces losing its battle for survival against German U-boats until a new source of intelligence turns the tide in 1941.

The German U-boat hunters become the hunted as advances in technology turn the tide in the Allies' favor.

British Commandos raid two occupied Norwegian islands to wipe out fish oil factories used to make explosives.

Investigate the costs of Hitler's Soviet invasion, which aims to give the Nazis control over a key nickel mine and a transportation hub; seeing how this summer battle turns into a bitter winter war as the Allies tighten their grip on the Arctic.

Examine how German soldiers used an erotic painting and other decoys to distract their captors as they tunnelled out of Island Farm POW camp in Wales; see how American bombardiers were smuggled out of Russia, and study a wartime Trojan Horse plot.

A platoon of American Buffalo Soldiers exceeds all expectations to advance on a Nazi-occupied castle in the foothills of Northern Italy.

When a woman is found dead in the cellar of an Edinburgh doctor in 1828, police uncover a murky world where murders are being committed for money.

Examine how German soldiers used an erotic painting and other decoys to distract their captors as they tunnelled out of Island Farm POW camp in Wales; see how American bombardiers were smuggled out of Russia, and study a wartime Trojan Horse plot.

A platoon of American Buffalo Soldiers exceeds all expectations to advance on a Nazi-occupied castle in the foothills of Northern Italy.

When a woman is found dead in the cellar of an Edinburgh doctor in 1828, police uncover a murky world where murders are being committed for money.

A platoon of American Buffalo Soldiers exceeds all expectations to advance on a Nazi-occupied castle in the foothills of Northern Italy.

Investigating whether the pharaoh who ordered the building of the Great Pyramid of Giza was really the tyrant he was said to be.

When a woman is found dead in the cellar of an Edinburgh doctor in 1828, police uncover a murky world where murders are being committed for money.

In an attempt to view the cosmos beyond the scope of human vision, infrared light and gamma radiation are used.

Advanced telescopes capture images of the night sky from the Atacama Desert.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

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 an attempt to view the cosmos beyond the scope of human vision, infrared light and gamma radiation are used.

Advanced telescopes capture images of the night sky from the Atacama Desert.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

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.

The islands of Italy come in all shapes and sizes; they are home to volcanoes, ancient civilizations and some of the bluest waters on Earth.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's beach breaks, perilous white-water adventures and the Great Barrier Reef, the largest living structure on Earth.

Explore three discoveries that change what we know about magic and superstition. Delve into a Polish vampire grave, open a UK witch bottle used to ward off evil, and see if alien-like skulls in Mexico were shaped by humans or otherworldly beings.

Look into the strange disappearance of the Lost Colony of Roanoke in 1590, then discover how the Hope Diamond was stolen during the French Revolution. Pinpoint new clues that could explain why the USS Cyclops vanished in 1918 in the Bermuda Triangle.

Dashur's Bent Pyramid, the first great pyramid, has a peculiar shape; using Lidar technology, experts uncover clues about its construction and the mysteries within.

Meidum is the least-known of the pyramids of Egypt as it stretches skywards to resemble a castle keep.

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Discover the stories of six epic river journeys via the fascinating characters who live and work on and around the water.

Investigating significant historic and contemporary sites from the revealing vantage points of drone, satellite and aerial photography.

Following marine salvage teams as they race against the clock to recover ships wrecked by fierce storms that rage across the globe.

Bill Nighy narrates a trip along the River Po, traveling across northern Italy from the snow-capped Alps to the delta where it meets the Adriatic Sea.

Investigating significant historic and contemporary sites from the revealing vantage points of drone, satellite and aerial photography.

Exploring the solar system through the eyes of intrepid machines.

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Following marine salvage teams as they race against the clock to recover ships wrecked by fierce storms that rage across the globe.

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

Never before seen archive footage of WW2 which has been colorized for the first time.

"Air Warrriors" puts the spotlight on some of the airplanes that have been used by American forces in combat battles through the years. The program profiles the dedicated pilots and other team members who fly and maintain the aircraft. Rarely seen combat footage and pilots' stories help bring to life the journeys that have been taken by the flying machines, which include a plane-chopper hybrid that saves lives and an attack helicopter that is called the Black Death by America's enemies.

A different view of the events in the Arctic during World War II, with unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

A different view of the events in the Arctic during World War II, with unknown details; a focus on the struggle of the great powers for control of the area and its natural resources.

Forensic archeologist Caroline Sturdy Colls goes in search of a Nazi SS camp constructed on the British Channel island of Alderney during World War II; clues emerge leading Sturdy Colls to suspect that Alderney was the scene of Nazi mass murders.

Exploring the events that occurred twenty-four hours before the unconditional surrender of Germany and Japan, commemorating the eightieth anniversary of the end of the Second World War.

An in-depth look at how things are repaired.

Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Bill Nighy leads a magical journey in the Norfolk Broads along England's holiday river, the River Bure; discovering a watery world where both wildlife and recreation go hand in hand.

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.

Chris Ward sets out with Josh Moreira and Ward's younger brother to salvage a light aircraft that's sitting on the seabed; Jeremy Birch braves the arctic conditions to salvage two vessels that have fallen prey to the crushing ice conditions.

Bill Nighy leads a magical journey in the Norfolk Broads along England's holiday river, the River Bure; discovering a watery world where both wildlife and recreation go hand in hand.

Using computer simulations, it is possible to fly over other worlds and see how galaxies interact.

Paid programming.

Chris Ward sets out with Josh Moreira and Ward's younger brother to salvage a light aircraft that's sitting on the seabed; Jeremy Birch braves the arctic conditions to salvage two vessels that have fallen prey to the crushing ice conditions.

Examine how German soldiers used an erotic painting and other decoys to distract their captors as they tunnelled out of Island Farm POW camp in Wales; see how American bombardiers were smuggled out of Russia, and study a wartime Trojan Horse plot.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

The Great Pyramid of Giza, built for Khufu over 4,500 years ago, is the last standing Wonder; exclusive access unveils secret chambers, aiming to unravel its many mysteries.

Unearthing a doomed ice age discovery in Russia's Arctic; unveiling a Dutch painting that spells misfortune; digging up a king's unlikely final resting place in an English marsh.

Exploring the final building phase of the Great Pyramid of Giza and the rituals that took place after a pharaoh dies.

In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals.

Climbers landing on a glacier at the foot of Mount Denali, follow in the footsteps of aviation pioneers. A swarm of 600,000 bees threatens the plane's structural integrity and veterinarians battling a rabies epidemic go up agai.

Viewing Southern Italy from the air; Greek temples on the Mediterranean; cities that just seem to float above the sea; one of the most powerful volcanoes on Earth.