Old Man's Cave - Hocking Hills, Ohio

Blue Ice Cave, Antarctica, December 2011.

Milford Sound, New Zealand

Fountain Paint Pot in Yellowstone National Park, Montana

Sunset in Iceland

Small house on a lake in Zhytomyr Oblast, Ukraine

Punch Bowl Falls, Oregon

Farm lands of Palouse, Washington

Salt Flats of Bolivia

Sunrise in Rarău Mountains, Romania

Kananaskis Country AB, Can

Laguna de los Tres and Fitz Roy, Argentina

Image Lake and Glacier Peak, WA