Old Man's Cave - Hocking Hills, Ohio

American Prairie Reserve, MT.

Sunrise over thermal pools in Yellowstone.

Prusik Peak, WA

Kabardino-Balkaria Alpine Reserve, Russia

path through trees on the outskirts of Andong, South Korea

Between Geiranger and Stryn, Norway

Hobbit house, Buckland, New Zealand

Turquoise Ice: Northern Lake Baikal, Russia

Picture at Dusk

Big Rozsutec

The Northern Lights in Tromsø, Norway

Hanging Lake, Glenwood Canyon, Colorado