Grand Canyon, Arizona

Heaven Lake, China/North Korea

Turnip Rock - Lake Michigan

Hanging Lake, Colorado

Moravia- Czech Republic

Saw this in the valley, on the way to Yosemite, CA

Darvaza gas crater, Turkmenistan

Mesa Arch, Utah

Grand Canyon Walls

The Georgian Bay Grotto, Ontario, Canada

Blue Ice Cave, Antarctica, December 2011.

Frozen air bubbles at Abraham Lake(Alberta, Canada)

Volcano eruption as seen from space.