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

Shasta Lake from air

A thunderstorm over Crater Lake in Oregon

Athabasca Glacier, Alberta, Canada

Guatape, Colombia

Autumn in the Yukon

Makra Peak, Kaghan Valley Pakistan

Bristle Cone Pine Forest, White Mountains, California

Forest

Mt. Sneffels, CO by Wayne Williams

Mesa Arch, Canyonlands National Park - Moab Utah

Kendwa Beach in Zanzibar

St. Thomas, U.S. Virgin Islands