Alex Lowe climbing the Great Trango Tower, Pakistan

Balti bridge, Pakistan

Doug Byerly climbing South Howser Tower, Bugaboos, Canada

Doug Byerly makes another attempt in Patagonia

Cerro Torre, Patagonia

The Diamond, Longs Peak, Colorado

Scenes on the trek into Everest Basecamp

El Capitan with an approaching storm, Yosemite National Park

Khumbu Icefall, Mt. Everest

Cerro Fitzroy, Patagonia

Michael Graber checking out Uli Biaho tower in Pakistan

National Geographic crew on the trek into Everest Basecamp

Les Dru, Chamonix

Dana Drummond, aka Mad Dog, climbs Tourist Treat, Cathedral Ledge, New Hampshire

Mt. Frigga, Baffin Island

On our way into Tasermiut Fjord, Greenland, 2010

A Patagonian Sky

Rolando Garibotti solos The Naked Edge, Eldorado Canyon, Colorado

Roxanna Brock McDade high on the P.O. Wall, El Capitan

Janet Bergman climbs Scarface in Indian Creek, Utah

Caroline George climbing Burnt Offerings at Tonsai Beach, Thailand

Zeus tower in Canyonlands, Utah

A young Michael Pennings off-route, lost, bivouacked in the rain, still smiling… Stratosphere, Black Canyon of the Gunnison, Colorado

Sarah Garlick racks up for a day of crack climbing, Indian Creek, Utah

Sarah Garlick climbs the Salathe Wall, El Capitan, 2005