Allgäu, Germany

Skógafoss Iceland.

Ptarmigan Lake, Glacier National Park. Via The Real Good Times blog

Lone tree, landscape from New Zealand

Glen Canyon, Utah

Evening in Venice, Italy

Chilkoot Lake. Haines, AK

New Caledonia

Bimmah Sinkhole, Oman

Satellite image of the Mississippi River

Lightning flashes around the ash plume of the Puyehue-Cordon Caulle volcano chain near Entrelagos, Chile.

New Melones Lake, Sonora, CA

The coastline of Lake Urmia, in Iran.