Devil's Tower, Wyoming

Lake Wanaka, NZ

Tufas at Lake Mono, California

Reed Flute Cave, Guilin, China

Glendalough, Ireland

Luoping, Yunnan Province, China

A beach in okinawa

Great blue hole of the coast of belize.

Durdle Door, United Kingdom

Lake Baikal, Russia

Cueva de los Verdes, Canary Islands

Sunrise over Broken Arch

Beach in Perú, March, 2013