Tom Frederic

In 2015, Charlie Head will attempt the first ever standup paddle boarding of the main water source of the Amazon, the Rio Marañón in Peru.

Onekotan is a Pacific island with a collapsed volcano that Matthias Haunholder wants to ski down.

In Mission Stratos Felix Baumgartner ascended to 128,100 feet in a stratospheric balloon and made a freefall jump.

Three adventurers set out on an expedition across the remarkable landscapes of Greenland, towing a kayak across the ice cap to a river's headwaters and kayaking down to the Arctic Ocean.

Adventurers seek new and extreme challenges.

Gavin McClurg and Dave Turner take on the challenge of paragliding across the nearly 700km of the Alaska Range. They face harsh weather, freezing temperatures and even starvation.