Extreme sports
5 fitness tips from skydivers
Indoor skydiving: The workout of the future
Photos: Red Bull Cliff Diving
Graphic image of Kelly Slater's shattered foot
10 craziest big-wave surfing destinations
How to crush it on 'American Ninja Warrior'
Stiller, Vaughn revisit 'Dodgeball'
How to survive in the wilderness
Why Sherpas Are Superhuman, Mountain-climbing Powerhouses
Hafþór Björnsson's warmup: 600 lbs
Why the Triple Crown is a must-see sporting event for 2017
Daredevil Australians surf flash-flooded river
PBR star Guilherme Marchi’s most shredded workout moments
Love adventure races? You may have a boring office life.
Watch: Bull rider gets bucked out of the ring
Best performance sunglasses of spring 2017
Surfer's world record officially recognized
The fitness requirements for conquering a climb like Everest
New Yorker tries surfing during Stella
Watch: Naked fan storms field, loses to a wall (NSFW)
Body Control, Power, and Flow with The Flying Steps
Winter Training: Cross-Country Skiing
The top 5 water activities for burning calories
