Dean Potter

Photograph by Mikey Schaefer, National Geographic

With no rope to save him from a fall, daredevil climber Dean Potter free solos a route called Heaven on Glacier Point in Yosemite National Park, California. Half Dome appears in the distance.

Watch videos of amazing feats by Potter and other superclimbers of Yosemite featured in the May 2011 issue of National Geographic (read the article or see the photo gallery). Then unlock bonus video clips when you share them via Facebook or Twitter.

Video: Jimmy Chin Capturing Yosemite's Superclimbers >>

Video: Dean Potter Highlining Yosemite Falls >>

Video: Alex Honnold Free Solos Yosemite >>