An extreme skiier gets a rough ride when his ski gets caught on top of a mountain. See shocking footage of his free fall down.

When a young cyclist has an accident and falls into racing white water, a daring park ranger rapels down a cliffside to come to

Watch rare footage as an extreme snowmobiler gets caught in an avalanche.

One of the most magnificent cities in the world, Istanbul is where East meets West, a melting pot of peoples, religion, architec

Nestled at the base of the East Usambara Mountains, north-east Tanzania, lies the lush and tranquil Amani Nature Reserve. An are

Boasting the most stunning wilderness in America, Yellowstone National Park is a vast area of natural beauty and precious biodiv

Situated off the rugged North-Eastern coast of Brazil, The Abrolhos Marine Reserve, is home to the largest system of coral reefs

How many balloons could lift up a house? Meet the engineer who set up an experiment to find out.

Scientists working to defend us from a cataclysmic crash, before we explore deep space collisions on a colossal scale.

Scientists working to defend us from a cataclysmic crash, before we explore deep space collisions on a colossal scale.

Watch as a house lifts off and flies into the sky.

It's not a bird, it's not a plane, it's a house and it's flying in the sky.

See more behind the scenes footage as crews prepare through the night to lift a house with balloons.

Watch behind the scenes footage as crews prepare through the night to lift a house with balloons.

The excitement builds as engineers prepare to test if a house can fly with balloons.

The alligator gar has a reputation as a trash fish that eats sought after prize fish. Scientist pump a gar's stomach to reveal t

Scientists examine hundreds of thousands of poisonous eggs from a Gar Alligator fish.

Get up close and personal with the needle toothed gar alligator.

Can the ancient Alligator Gar fish survive in the modern world?

This catfish has produced nearly 140,000 eggs, which is key for survival. The more eggs, the better the chance for hatchlings to

People come from around the world for their chance to catch a monster catchfish.

Follow curious Vervet monkeys as they screech and bite their way to the top of the monkey pyramid in Durban.

Thomas Harvey carved Einstein's brain into 240 sections and was the last person to see this genius brain in one piece.

Flanked by bodyguards, Diego Buñuel must alter his interview routine after entering an occupied country at war.

When a team of specialists try to herd a giraffe to safety, things don?t go as planned.