Smithsonian Channel

The search for Secretariat's missing Kentucky derby saddlecloth and Dale Earnhardt's first racecar.

Incredible footage, colourised for the first time, chronicles the final days of the Third Reich and the brutal battle for Berlin, though German defeat looked certain. Nazi soldiers persisted fighting despite the inevitability of their downfall.

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

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

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

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.

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

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

The Sea to Sky corridor reveals one of the west coast's most iconic landscapes.

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.

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.

After the king of France targets the Knights Templar, they face imprisonment, torture and executions, but their legacy endures through present day.

Archaeologists discover a link between the prophecies of the oracles and seismic activity beneath Earth's surface.

A 4,000-year-old leather manuscript at the Cairo Museum sheds new light on The Book of the Dead from ancient Egypt.

Evidence of ritual murder, human sacrifice and cannibalism in the desert valley of Chaco Canyon, New Mexico.

Incredible footage, colourised for the first time, chronicles the final days of the Third Reich and the brutal battle for Berlin, though German defeat looked certain. Nazi soldiers persisted fighting despite the inevitability of their downfall.

When seismic activity around Mount Spurr heats up, pilots fly supplies to farmers. The operations team at Anchorage International deal with two emergency landings and proud parents turn to pilots to get them to a vital school ba.

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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

When seismic activity around Mount Spurr heats up, pilots fly supplies to farmers. The operations team at Anchorage International deal with two emergency landings and proud parents turn to pilots to get them to a vital school ba.

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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

The search for a World Series home run ball and a rare bat that may have been used by a baseball legend.

When seismic activity around Mount Spurr heats up, pilots fly supplies to farmers. The operations team at Anchorage International deal with two emergency landings and proud parents turn to pilots to get them to a vital school ba.

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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

Navigating the historic Potomac River from West Virginia to Chesapeake Bay, passing through Washington, D.C. and the national monuments and ending at George Washington's Mount Vernon estate.

The view from above reveals a derelict complex of pod-like structures with seemingly alien origins; a bewildering concrete construction in the mountains of Bosnia; a puzzling collection of out of place shapes discarded in the wilds of Greenland.

Veteran salvor Paul Hay and his team rescue a clam-dredging crew's harvest lost in a storm off the New Jersey coast; following an annual cleanup operation in New Zealand that salvages fishing equipment gone astray.

An epic, high-altitude journey from Seven Sisters Provincial Park to Salmon Glacier.

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

Paid programming.

Veteran salvor Paul Hay and his team rescue a clam-dredging crew's harvest lost in a storm off the New Jersey coast; following an annual cleanup operation in New Zealand that salvages fishing equipment gone astray.

An epic, high-altitude journey from Seven Sisters Provincial Park to Salmon Glacier.

Many experts believe King Arthur was a mythical figure; however, new evidence from ancient sites suggests that the Arthurian legend is rooted in fact, and it may finally answer the question of whether this storied king was real or myth.

A look at stories of deception in the art world, from stolen art and forgeries to hidden truths about ancient Greek and Roman marble statues.

We examine the life of the Nine Days Queen as the Tower prepares for a ceremony on the anniversary of her execution in 1554.

Many experts believe King Arthur was a mythical figure; however, new evidence from ancient sites suggests that the Arthurian legend is rooted in fact, and it may finally answer the question of whether this storied king was real or myth.

The history of the Russian MiG, American air power's fiercest rival for more than 50 years.

We examine the life of the Nine Days Queen as the Tower prepares for a ceremony on the anniversary of her execution in 1554.

Unraveling centuries of bloodshed and avarice surrounding an unlucky Indian jewel; exploring a car where a Hollywood star met an untimely death; assessing the violent end of an English king's legacy and an ominous Assyrian curse etched in stone.

For centuries, Mexico's historic center has been a land of legends and power. From Veracruz's shores to Mexico City's ancient layers, Puebla's epic battle and Michoacan's indigenous traditions, discover where empires rise and tr.

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.

An SOS from an island of penguins sends a helicopter team on an emergency mission; a young pilot attempts a record-breaking flight; aircraft maintenance teams tackle a dangerous fluid leak; vets in Zambia stop a war between humans and elephants.

For centuries, Mexico's historic center has been a land of legends and power. From Veracruz's shores to Mexico City's ancient layers, Puebla's epic battle and Michoacan's indigenous traditions, discover where empires rise and tr.

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.

An SOS from an island of penguins sends a helicopter team on an emergency mission; a young pilot attempts a record-breaking flight; aircraft maintenance teams tackle a dangerous fluid leak; vets in Zambia stop a war between humans and elephants.

The investigation of a missing basketball and a controversial Kentucky Derby trophy.

For centuries, Mexico's historic center has been a land of legends and power. From Veracruz's shores to Mexico City's ancient layers, Puebla's epic battle and Michoacan's indigenous traditions, discover where empires rise and tr.

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.

An SOS from an island of penguins sends a helicopter team on an emergency mission; a young pilot attempts a record-breaking flight; aircraft maintenance teams tackle a dangerous fluid leak; vets in Zambia stop a war between humans and elephants.

A journey down one of the wild rivers in the world, the Yukon; the unusual trip starts in an aircraft piloted by a painter and the odyssey ends with a visit to a graveyard of disintegrating rear-wheel steamers.

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.

Capt. John Ward and his crew are called to raise a sunken houseboat near Pensacola, Fla.; the owner of the boat wants it back, but the current occupiers of the boat living in it don't want John's services; there've been reports of gunfire too.

From the San Juan Islands of Washington State to the Kootenays in the east, exploring the pristine, Pacific border region separating Canada and the United States.

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

Paid programming.

Capt. John Ward and his crew are called to raise a sunken houseboat near Pensacola, Fla.; the owner of the boat wants it back, but the current occupiers of the boat living in it don't want John's services; there've been reports of gunfire too.

From the San Juan Islands of Washington State to the Kootenays in the east, exploring the pristine, Pacific border region separating Canada and the United States.

New discoveries reveal caves and tunnels hidden beneath Mayan pyramids; archaeologists identify the location revered as the most sacred temple of all, the mystical center of the world, unlocking an incredible secret in the city of Chichen Itza.

Diving into the lives of influential designers in fashion and architecture, including Betsey Johnson, Ralph Lauren and Peter Marino.

An inside look at gruesome history of the White Tower, the tragic relationship of Henry VIII and Anne Boleyn, and what it's like to work in London's oldest building.

New discoveries reveal caves and tunnels hidden beneath Mayan pyramids; archaeologists identify the location revered as the most sacred temple of all, the mystical center of the world, unlocking an incredible secret in the city of Chichen Itza.

A look at life in the Pacific before, during, and after the attack on Pearl Harbor, presented through home movies and combat footage.

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.

An SOS from an island of penguins sends a helicopter team on an emergency mission; a young pilot attempts a record-breaking flight; aircraft maintenance teams tackle a dangerous fluid leak; vets in Zambia stop a war between humans and elephants.

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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