Hill fortress of Sigiriya, Sri Lanka

Stone Forrest in Bemahara National Park, Madagascar

Aurora Borealis - Mo i Rana, Norway

Rainbow at Yellowstone

Richat Structure (Eye of the Sahara)

Avalanche Lake, MT

Radiant garden on the east coast of Maui, where the river meets the sea at Oheo Gulch. Maui, Hawaii

Devetashka Cave, Bulgaria

Jim Jim Falls, Kakadu National Park, Australia

Qilian County, China

The Matterhorn piercing the Alps

A thunderstorm over Crater Lake in Oregon

Richardson's Grove State Park, California