Photo of the Day

A pair of hikers climbing a boulder-strewn pass in Alaska
May 12, 2012

Arrigetch Peaks, Alaska

This Month in Photo of the Day: Adventure and Exploration Photos

Arrigetch Peaks, August 23, 2010
"These teeter-tottering granite boulders all wanted to slide," Andrew Skurka says of a talus-covered pass in the central Brooks Range, where his friend Roman Dial joined him.

See more pictures from the March 2011 feature story "Circling Alaska in 176 Days."


Learn more about National Geographic explorers in the field »
See more pictures of National Geographic explorations »

Photograph by Michael Christopher Brown, National Geographic

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history