Crater Lake, Oregon, U.S.

Richat Structure (Eye of the Sahara)

Canyon Lake, Arizona

Epic picture of Serra do Marão , Vila Real, Portugal

Telluride, Colorado

Iguazu Falls, Brazil

Fall colors at a stream near Milford, New Hampshire.

The Bungle Bungles in Purnululu National Park, Australia

Somewhere in the Faroe Islands

Five dead trees in front of a massive sanddune

Bow Lake, Banff National Park

Mt. Rainier: over Reflection Lake, under Ursa Major

Great picture of Greenland.