Reed Flute Cave, China

Old Man's Cave Ohio, US

The Plitvice Lakes National Park, Croatia

Tapuaetai

Unknown Location (Likely Southwestern USA)

Somewhere in the Faroe Islands

Switzerland, near the French border

Mica Mine, Alstead, NH

Half Dome, Yosemite

Morning before sunshine in Rarau mountains

A bear on the bank of the Geizernaya (geyser) river. Russia, Kamchatka

A desert in the middle of Iran. Photo by Arash Karimi

Storm clouds near Palos Verdes Peninsula, CA