In Pictures: California Wildfire Rages On

The 2,000 residents of the town of Mariposa, in the Sierra Nevada mountains southwest of Yosemite, were ordered to leave as the Detwiler fire approached.

The Dawn Wall: The Inside Story

A hardened mountaineer explains the mind-bogglingly difficult climb the two young men faced on El Capitan, Yosemite.

After the Climb

Tommy Caldwell and Kevin Jorgeson talk about their historic Yosemite climb, and ask: "What's your Dawn Wall?"

Tweeting From the Final Frontiers

Social media is letting the public follow outdoor and even interstellar adventures from the comfort of their couches.