Iguazu waterfalls, between Argentina and Brazil

A valley in Iceland

Öxarárfoss waterfall, Iceland

El Yunque Rainforest, Puerto Rico

Blue River, Greenland

Green canyons of Iceland

Spearfish Canyon in the fall

McWay Falls, Big Sur, California

A storm clearing over Glencoe, Scotland.

Tapuaetai

Yellowstone, Wyoming

Desert remnants of the Aral Sea

Mountains of Vietnam in Paksan, Laos