The Trou de Fer canyon on Reunion Island, Madagascar

Fjallabak, Iceland

Old Man's Cave - Hocking Hills, Ohio

Skellig Michael, island off the coast of Ireland

Thousand Island Lake, Ansel Adams Wilderness, California, United States

Arch near Saint George, Utah

Tinayguk River, Alaska, by Melford

Midnight sun by a lake in Troms, Norway. Photo taken at 03:00 (3 am).

Lake Powell, UT.

Avalanche Lake, MT

The Wave, Arizona, USA

Anchorage, Alaska

Bryce Canyon National Park, Utah.