My backyard, New Zealand

Dense foliage over Grassy Bridge

The Eidetind Monolith

Windswept Lady, Monument Valley, Arizona

Chelyabinsk, Russia

Burano, Italy

Eagle Lake, near Lake Tahoe, California

Old Man's Cave Ohio, US

Arizona's Antelope Canyon

Akhtamar Island, Lake Van

Appalachian Trail, Smoky Mountains, Tennessee

Iliamna Volcano, Alaska. Photo by Michael Melford

Blue Ice Cave, Antarctica, December 2011.