Bristle Cone Pine Forest, White Mountains, California

Yellow Creek Cliff

Iliamna Volcano, Alaska. Photo by Michael Melford

Grassi Lakes - Canmore, Alberta.

Hang son doong, Vietnam

First snow of the season today at the Maroon Bells - Aspen, Colorado

Lake Anna,Virginia

Geothermic pool in a remote Icelandic highland during the summer months

Gifford Pinchot National Forest, Washington

Bimmah Sinkhole, Oman

Leo Carillo, CA

Old Faithful, Yellowstone National Park

Patagonia, Argentina