Amazing Moments

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

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

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.

Things go very wrong when divers are lowered into water to get upclose with the Great White. Then watch more dangerous encounter

Air shows are some of the most dramatic and spectacular entertainment. But things don't always go as planned.

Amateur video captures the scene as a Great White attacks a swimmer in the ocean.

Watch dramatic footage as rescuers struggle to save a two-year-old polar bear stuck on a cliff.

A group of polar bears approach a cameraman as he gets as close as he can to photograph the animals.

A daring National Geographic scientist gets pulled out of his boat as he tries to measure the biteforce of a giant crocodile.

Watch incredible footage as an underwater cameraman is ambushed by a giant squid in deep, dark water.

In a desperate race against time, can guests be saved from this sinking cruise liner? Watch incredible footage of this ship goin

In a desperate race against time, can guests be saved from this sinking cruise liner? Watch incredible footage of this ship goin

Watch incredible footage as an underwater cameraman is ambushed by a giant squid in deep, dark water.

A daring National Geographic scientist gets pulled out of his boat as he tries to measure the biteforce of a giant crocodile.

A group of polar bears approach a cameraman as he gets as close as he can to photograph the animals.

Watch dramatic footage as rescuers struggle to save a two-year-old polar bear stuck on a cliff.

Amateur video captures the scene as a Great White attacks a swimmer in the ocean.

Air shows are some of the most dramatic and spectacular entertainment. But things don't always go as planned.

Things go very wrong when divers are lowered into water to get upclose with the Great White. Then watch more dangerous encounter

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.