Australian Pat Farmer is on track to finish a ten-month pole-to-pole jog—without taking a single day off
The masochistic sport of obstacle racing has exploded in popularity. Nick Heil tries to understand why so many are signing up for the misery.
A closer look at Brain Farm's high-tech arsenal.
How a group of under-the-radar snowboarding filmmakers created one of the most innovative action-sports empires.
Futuristic new submersibles are poised to take crews to earth’s greatest depths. It may get crowded down there.
A treasure trove of unpublished letters and never seen photos offers a fresh perspective on the adventures of Christopher McCandless
He's got the genes and the track record (literally). Can Taylor Phinney become America's next cycling superstar?
For three top alpinists, pulling off one of the most difficult ascents in mountaineering history required speed and daring. Getting down alive took a miracle.
A new film chronicles the classic story of a daring prison break from a Soviet gulag. We dispatched our crankiest critic to weigh in on the somewhat true story.
A 58-year-old Aspen socialite is forcing the world to grapple with just what it means to swim across the ocean.