Rocky Mountains National Park, Colorado

Nanga Parbat, Pakistan

The Twelve Apostles, Victoria, Australia

Tufas at Lake Mono, California

Sunrise over Dolly Sods, West Virginia

A desert in the middle of Iran. Photo by Arash Karimi

Maelstrom!

Drakensberg Mountains, Southern Africa

Mt. Kaukau, New Zealand

Pico Cão Grande, São Tomé and Príncipe

Lake Powell, UT.

Cliffs in Scotland

Land's End, Cabo San Lucas, Mexico