Las Vegas, Nevada's backyard. Red Rock Canyon at sunrise.

Stormy dawn on the Kalapana lava flows, HI.

Blue Ice Cave, Antarctica, December 2011.

Beach homes, Bora Bora

Kaieteur Falls - Guyana, South America

Waterfall at Plitvice Lakes National Park, Croatia

Sao Miguel Island, Azores

Crystal Lakes, WA

Old Man's Cave - Hocking Hills, Ohio

Iliamna Volcano, Alaska. Photo by Michael Melford

Gaiola Bridge, Naples, Italy

Pomerania, Poland

Galactic Desert , Utah