Mega Structures Panama Canal

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

The regional lifeguard competition sees Australia's best watermen go head-to-head.

Although you are more likely to be hit by lightning than attacked by Jaws? is it possible to scare off a shark?

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

Building implosions have become the spectator sport of the modern age -- it's no wonder they also set world records. The implosi