National Geographic HD

We head to Ratnapura, Sri Lanka on a quest to find a small-scale ethical mine that could produce the ultimate in gem stones. The Padparadja, the `King of Sapphires' is the rarest sapphire in the world and has even adorned Maharaja's crowns.

Little Shell deals with a potential catastrophe on board their boat.

Devastating systems failures in the air puts pilots to the test and shines a light on three astonishing feats of flying. A DC-10 loses all hydraulics when an engine explodes over Iowa, the crew of Qantas Flight 32 is overwhelmed by alarms after an explosion rocks their massive A-380, and a Northw...

Mid-air tragedies are particularly horrifying when they occur over a community, and rain terror on the people below.

Devastations of war, visions of a future and the search for gold helped create a modern United States. The journey and ambition toward a better way of life caused countless men, women, and children to perish along the coast.

The job of building and maintaining the nation's fleet of fishing boats, work vessels and passenger ships is fraught with stress.

The Mine Kings travel to Masai land in Tanzania on the hunt for a small-scale ethical mine that produces Africa's infamous Pink Garnets.

The Northern boats push to make a move past their Southern rivals.

Take apart the $150 billion International Space station to uncover the extraordinary innovations that enable it to support life in deadly space.

The secrets of a super ship are revealed, in which it deliberately sinks into the ocean carrying the biggest loads on earth.

Experts take apart the heaviest plane ever built. Mind-boggling in size and design, the Antonov AN-255 is an astounding feat of engineering.

From the wreckage of three aeroplane crashes, survivors emerge to tell harrowing tales and provide critical data about what to do in an emergency.

Traced to a breakdown of vital safety measures, three horrific disasters provoke fundamental changes to airport security procedures around the world.

Tim and Fuzz leave for South Yorkshire to pick up a 1953 Ferguson TE20 tractor. The Andrews farming family has owned Fergie since it was brand new.

Richard Hammond explores the potential to embarrass, injure and humiliate yourself when pole vaulting, ski jumping or just rolling down a hill in a dustbin.

Richard Hammond explores how easy it is to embarrass, injure and humiliate yourself when abseiling, running up walls and flying with a jet pack.

The sea is a dangerous place, but the dangers do not seem to be a reason to stay on land. Passenger ships, war machines and cruise liners: all lost under the waves of the world's oceans.

We are serving up the ultimate Movie Night snack menu with chocolaty Smarties, salty potato crisps with caramel corn, ice cream sandwiches, and moon pie bites.

On a special birthday episode, we serve up birthday cake ice cream, edible waffle bowls, mountains of cotton candy, and a giant chocolate piñata.

Nepal is hit by a 6.7 mega earthquake which kills thousands. Across the country survivors are hit by terrifying avalanches. We reveal remarkable stories of survival, from the Kathmandu Valley to Mount Everest.

Rookie Terje's in big trouble when he crashes Thord's tow-truck. Bjoern heads out to rescue a forty-tonner which overturned into a snow ditch.

Sam welcomes his son back to the island after his absence. Veronica is the new resident in the community, therefore, Karl and Morgan give her a taste of the new life there.

Heading deep into Washington's Olympic Peninsula to build a logging camp.

Nepal is hit by a 6.7 mega earthquake which kills thousands. Across the country survivors are hit by terrifying avalanches. We reveal remarkable stories of survival, from the Kathmandu Valley to Mount Everest.

Rookie Terje's in big trouble when he crashes Thord's tow-truck. Bjoern heads out to rescue a forty-tonner which overturned into a snow ditch.

Sam welcomes his son back to the island after his absence. Veronica is the new resident in the community, therefore, Karl and Morgan give her a taste of the new life there.

Heading deep into Washington's Olympic Peninsula to build a logging camp.

Take apart the $150 billion International Space station to uncover the extraordinary innovations that enable it to support life in deadly space.

The secrets of a super ship are revealed, in which it deliberately sinks into the ocean carrying the biggest loads on earth.

Experts take apart the heaviest plane ever built. Mind-boggling in size and design, the Antonov AN-255 is an astounding feat of engineering.

Tim and Fuzz leave for South Yorkshire to pick up a 1953 Ferguson TE20 tractor. The Andrews farming family has owned Fergie since it was brand new.

Richard Hammond explores the potential to embarrass, injure and humiliate yourself when pole vaulting, ski jumping or just rolling down a hill in a dustbin.

Richard Hammond explores how easy it is to embarrass, injure and humiliate yourself when abseiling, running up walls and flying with a jet pack.

The job of building and maintaining the nation's fleet of fishing boats, work vessels and passenger ships is fraught with stress.