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.

Check out these personal encounters with the wild as one woman covers herself with thousands of bees and a bear attacks a tv hos

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.

Meet the sidewinder rattlesnake, the world's fastest rattler and see how it has adapted to scorching desert conditions.

Watch upclose footage as a zebra snake takes on a chameleon.

Situated on the East Coast of India in Orissa state, Chilika is India?s largest brackish lake and home to endangered biodiversit

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

With no end to their growth and no predators to stop their reign, how big will this king of the river become?

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

After an epic journey to find a mate, polar bears must be ready to perform.

A powerful surge of testosterone gives male elephants the confidence to search for big eared beauties.

Male right whales wait patiently for their turn to mate.

Enter the cruel world of fierce Hippo territorial battles.

Wings fluttering, one cricket is on the lookout for the fattest female he can mate with.

For dung beetles, there?s great wealth in waste. Females attract mates with dung mounds.

Male crabs wave their huge claws back and forth, desperately trying to attract a female.

For sea horses, it's the males who are responsible to fertilize and develop the eggs.

Does she want to greet him or eat him? Around 50 percent of male tarantulas are killed by their partners during or after mating.

These monster catfish eat everything in sight.