Mayon Volcano's Perfect Cone, Philippines

The Bendz | Horseshoe Bend, Page AZ

Tufas at Lake Mono, California

Dean's Blue Hole, Long Island, Bahamas.

St. Maarten, French West Indies

Mountain View, California

Lebanon landscape

Akhtamar Island, Lake Van

Slave's Edge near Leitisvatn in the Faroe Islands

Turquoise ice at Lake Baikal, by Alexey Trofimov

Leavenworth, Washington

Lake Wanaka, NZ

Mountains of Vietnam in Paksan, Laos