Crater Lake, Oregon

Crater Lake, Oregon, U.S.

Dunglen, Co. Antrim, Northern Ireland.

Uncompahgre Peak, Colorado

Glen Canyon, Utah

Semuc Champey, Guatemala

Iliamna Volcano, Alaska. Photo by Michael Melford

Birch forest, Altai Mountains, Kazakhstan

Popeye Village, Malta

Soča River, Slovenia

Spring in the Northwoods - Oneida County, WI, USA

Geiranger, Norway

Devetashka Cave, Bulgaria