Yosemite half dome at National Park, Sierra Nevada of California

Angel's Landing - Zion National Park, Utah

Hiking to Half Dome Yosemite National Park.

Alex Honnold climbing on Separate Reality, a difficult over hanging roof crack in Yosemite National Park, California Picture: BARCROFT MEDIA/Jimmy Chin

Rainier National Park

Drive through tree, Sequoia National Park / California

Glacier climbing - Patagonia, Argentina

Yosemite - California

I don't know about you, but it's calling me.

Valley View, Yosemite National Park, California by SiliconValley

Out on a (narrow!) ledge : Free Climbing.

ROCK CLIMBING!

Hiking Half Dome

Cathedral Peak in Yosemite National Park.

climbing

I want to go! Neversink Pit :: Two cavers ascend out of the 162' Neversink Pit in Alabama. Photos do not give this place justice! This photo won an honorable mention in the 2006 NSS Slide Salon. ( photo By Brian Masney )

intense

This is a WPA Federal Art Project poster for the National Park Service showing a deer drinking from a forest stream. "Wild Life. The National Parks Preserve All Life." Illustrated by Frank S. Nicholson, c. 1940.

Indian Creek SuperCrack rock climbing in Utah