Mendenhall Glacier, AK, USA

austria

Durdle Door in Dorset, Great Britain

The Faraglioni, 3 stone stacks of of the coast of Capri, Italy.

Lake Baikal, Russia

Saxon Switzerland National Park

Glen Canyon, Utah

Blue Ice Cave, Antarctica, December 2011.

North Manitou Island, MI

Mica Mine, Alstead, NH

Cave of three bridges

Harmony Farm, Tipp City, Ohio

Lizard Island, Australia