Grand Canyon Skywalk

Marina Bay Sands, Singapore

Aurora Borealis in Quebec, Canada

Blue Ice Cave, Antarctica, December 2011.

Ocqueoc River, Presque Isle County, Michigan

Sun set in Disco Bay, West Greenland

Cave of three bridges

The peaks of the Geisler Mountain

Washington Coast

Crimean night

North Cape seen from Knivskjellodden, Norway

Peyto Lake, Alberta

Calaveras Big Trees State Park, Arnold, CA