Koko Head (Kohelepelepe), Oahu, HI

Turquoise ice at Lake Baikal, by Alexey Trofimov

Badlands National Park

Half Dome, Yosemite

The coastline of Lake Urmia, in Iran.

Near Zgornje Jezersko, Slovenia

Ngoronggoro crater, Tanzania

Canyon from central Turkey near Göreme.

Arizona's Antelope Canyon

Double Rainbow at Lake Crescent, Olympic National Park

Los Organos Basalt Cliffs,La Gomera one of Spain's Canary Islands

Purnululu National Park, Australia

Patagonia, Argentina