El sótano de las golondrinas, San Luis Potosí, México

Natural limestone structures at Nambung National Park, Western Australia

Painted Hills, Oregon

Segara Anak, crater lake on Mount Rinjani in Indonesia

Reed Flute Cave

Ice Canyon, Greenland

Burano, Italy

Mesa Arch, Utah

Uluru at night

Easter Island, Polynesia

Somewhere in Berner Oberland, Switzerland

China Beach, San Francisco

The Everglades