A hiker took a photo on a rock formation known as "The Wave" in the Vermilion Cliffs National Monument in Arizona.

The U.S. Bureau of Land Management limits the number of permits for hikers in order to preserve the backcountry wilderness experience and protect the sandstone formation.

A bingo basket at the Grand Staircase-Escalante Visitors' Center in Kanab, Utah, that is used to determine who gets 10 permits for the next day's hike.

A hiker took a photo on the rock formation.

Hikers walked on rocky terrain for the three-mile trip.

A hiker navigated The Wave.

Hikers can apply up to four months in advance for a permit.

Permits are limited to 20 hikers a day.

For more information, visit www.blm.gov/az/st/en/arolrsmain/paria/coyote_buttes.html