Autumn in Adirondacks, New York

St. Maarten, French West Indies

Yosemite Under Moonlight

Infinite Cave, Vietnam

After A Spring Thunderstorm. Goblin Valley, Utah, USA.

Reed Flute Cave, China

The coastline of Lake Urmia, in Iran.

Mountains across a meadow in Stowe, VT.

Hokitika Gorge, West Coast, New Zealand

The beginning of fall in Northeast Ohio

Colmar, France

Yosemite, California

Blue Ice Cave, Antarctica, December 2011.