National Geographic HD

Sean and the team uncover a very rare 1915 Vickers machine gun. It could prove a huge seller at auction. But how will it fare on the range? (S1, ep 15)

Weapons expert Sean finds a chest that could have hoarded pirate treasure on the high seas. Plus, Shooter stumbles upon a unique anti-bandit gun. (S1, ep 16)

In an unforgiving land where the best-case scenario is a quick death and worst is starving to death, Alaskans fight the odds to merely survive.

A cockpit voice recorder raises questions when investigators examine the wreckage of Northwest Airlink Flight 5719's fatal crash.

A commuter flight to Detroit ends in a harrowing death spiral, and a close analysis leads investigators to a stunning realisation.

Malaysian Airlines Flight MH370 disappeared with 239 people on board, sparking the longest, most costly search in aviation history. Key personnel in sea-floor searches reveal the challenges of locating aircraft that go missing in the deep ocean.

The harsh winter weather creates chaos in the mountains. Thord faces major challenges, so Bjørn does Thord a big favour. In the north, it's 20 degrees below zero, where Jo Roger helps a wheel loader that is lying on its side and blocking the main road southwards.

Refurbishing experts Jay, Dan, and Mark head to historic Philadelphia to explore an abandoned gothic church and school.

The team hunt for treasures in an abandoned silk mill, however, the owner is fiercely attached to the property and seems unwilling to let anything go.

For the next generation, survival is a daily battle in Alaska, were harsh arctic conditions have claimed countless lives.

Hazen Audel fights through the rainforest in an epic survival challenge.

In Port Protection, only few succeed in bringing home natures bounty.

Residents of Port Protection, Matt, Sam and Carl race against the tide to ensure the seaworthiness of Matt's home on the water.

Investigators face puzzling questions when a Boeing 767 crashes into the hillside several miles from South Korea's Gimhae International airport.

Minutes after taking off, TWA Flight 800 is ripped apart by a massive explosion, leading to one of the most challenging investigations conducted.

Looking back at a collection of Tim and Fuzz's favourite British sports cars to have ever graced the `Car SOS' set.

Dallas Campbell digs into the science behind more epic fails, revealing why giant inflatables are a major cause of embarrassment and the hidden dangers of a food blender.

Dallas checks out more calamitous clips as he reveals why climbing into a kayak so often ends in embarrassment and why stair jumping on a unicycle is never a good idea.

The China seas are considered to be one of the most mysterious waters on the planet. Ocean experts uncover and expose the shipwreck remains of the biggest battleship ever put on water.

Discover a one-man show has grown into a hot-sauce empire, the secret to POM's wonderful pomegranate juice, and an extra special pork tamale.

Visit Sunkist's squeaky clean lemon headquarters in California, discover amazing freeze-dried astronaut food, and a Texan pecan pie.

A spectacular aerial journey across Poland reveals a country that once had to battle to survive, but now stands as Europe's future.

Aerial exploration of the United Arab Emirates revealing its rich heritage and modern-day stories shaping its future, all from a brand-new perspective.

The pilots of a Turkish Airlines flight do not notice in time when approaching Schiphol airport that the throttle is faulty. The plane crashes and the pilots and five of the 117 passengers are killed.

Three real-world disasters forensically dissected: Lac-Mégantic train crash, Imperial Sugar refinery explosion, Ever Given container ship accident.

A spectacular aerial journey across Poland reveals a country that once had to battle to survive, but now stands as Europe's future.

Aerial exploration of the United Arab Emirates revealing its rich heritage and modern-day stories shaping its future, all from a brand-new perspective.

The pilots of a Turkish Airlines flight do not notice in time when approaching Schiphol airport that the throttle is faulty. The plane crashes and the pilots and five of the 117 passengers are killed.

Three real-world disasters forensically dissected: Lac-Mégantic train crash, Imperial Sugar refinery explosion, Ever Given container ship accident.

Hazen Audel fights through the rainforest in an epic survival challenge.

In Port Protection, only few succeed in bringing home natures bounty.

Residents of Port Protection, Matt, Sam and Carl race against the tide to ensure the seaworthiness of Matt's home on the water.

Looking back at a collection of Tim and Fuzz's favourite British sports cars to have ever graced the `Car SOS' set.

Dallas Campbell digs into the science behind more epic fails, revealing why giant inflatables are a major cause of embarrassment and the hidden dangers of a food blender.

The harsh winter weather creates chaos in the mountains. Thord faces major challenges, so Bjørn does Thord a big favour. In the north, it's 20 degrees below zero, where Jo Roger helps a wheel loader that is lying on its side and blocking the main road southwards.