National Geographic HD

The team search for forgotten relics in an 18th-century gristmill in Westminster, Maryland, that's been abandoned for decades.

The team explore a defunct paper factory, but Jay must win the owners over and prove that he too wants to preserve the property's history.

As winter continues to show no mercy, it is vital that residents of remote Alaska be entirely self-reliant if they wish to survive.

20 minutes after leaving Egypt, Metrojet flight 9268 crashes carrying Russian tourists. An international team of investigators gather to determine if this was an accident or a terrorist retaliation.

Approaching Charlotte, North Carolina, USAir Flight 1016 falls from the sky. The pilots blame severe weather, but that's only part of the story.

For more than 2000 years, scholars of antiquity have been puzzling over Plato's descriptions of the Island Nation of Atlantis. Experts uncover evidence of underwater cities to investigate if they are proof of civilisations, or accidents of geology.

A lorry hits a safety net and overturns, so Thord and Bjørn have to work into the small hours to rescue the load of fresh salmon. In the north, Jo Roger has to rescue a lorry stuck in the snow.

The team search for lost history in an abandoned homestead. Jay bargains with the owners, who turn out to be exceptionally tough negotiators.

The team find a stash of vintage gas station gear, but when it comes to taking these objects home, Jay's negotiating skills are put to the test.

Alaska's unforgiving winter shows no signs of stopping as Alaskans of all ages must survive its harsh elements.

Hazen Audel tackles the highlands in an epic Amazon survival challenge.

People push the limits of survival in the remote community of Port Protection in Alaska.

As the community of Port Protection springs forward, Squibb and Troy join forces to repair a sinking float that could cause a massive oil spill.

Bound for Kathmandu, Thai Airways Flight 311 crashed into the Himalayas, far from where it was supposed to be.

The dashcam of a passing car captures footage of the final moments of TransAsia Airways Flight 235 as it nosedives into Taipei's Keelung River.

Tim and Fuzz are taking on a neglected 1988 Fiat Uno Turbo. The car belongs to former car salesman Gerry, who has been suffering from ill health.

Dallas Campbell checks out more fearless and foolhardy footage as he explores the power of the tides and the troubles of steering a radio-controlled plane.

Dallas Campbell reveals the science behind more epic fails. Thinking of riding a balancing bike, flambeing dinner or confronting a dust devil? Think again.

Experts use cutting-edge technology to drain the sites of lost civilisations as they investigate the powerful forces that caused these cities to vanish beneath the waves.

Explores some of the Lone Star State's favourite foods: including chicken-free Chick-O-Sticks candy, and a two-ounce energy drink that delivers a wallop.

See the mountains of meat required to keep up with White Castle's demand, as well as a machine that processes 1.7 million mandarin oranges every hour.

Winter may be over but spring presents a whole new set of dangers on the Rocky Mountain railroad. Lethal rockslides threaten Canadian Pacific's longest and heaviest train.

Thord takes tow truck driver Erlend along to rescue a crashed van near a graveyard at night. They end up spooked while trying to pull the van up the ice-covered slope of a 20 degree hill.

The younger generation of Alaska Natives step up to new challenges.

Scientists focus their research in Antarctica's icy waters to determine how climate change and human interference affect the marine ecosystem.

Winter may be over but spring presents a whole new set of dangers on the Rocky Mountain railroad. Lethal rockslides threaten Canadian Pacific's longest and heaviest train.

Thord takes tow truck driver Erlend along to rescue a crashed van near a graveyard at night. They end up spooked while trying to pull the van up the ice-covered slope of a 20 degree hill.

The younger generation of Alaska Natives step up to new challenges.

Scientists focus their research in Antarctica's icy waters to determine how climate change and human interference affect the marine ecosystem.

Hazen Audel tackles the highlands in an epic Amazon survival challenge.

People push the limits of survival in the remote community of Port Protection in Alaska.

As the community of Port Protection springs forward, Squibb and Troy join forces to repair a sinking float that could cause a massive oil spill.

Tim and Fuzz are taking on a neglected 1988 Fiat Uno Turbo. The car belongs to former car salesman Gerry, who has been suffering from ill health.

Dallas Campbell checks out more fearless and foolhardy footage as he explores the power of the tides and the troubles of steering a radio-controlled plane.

A lorry hits a safety net and overturns, so Thord and Bjørn have to work into the small hours to rescue the load of fresh salmon. In the north, Jo Roger has to rescue a lorry stuck in the snow.