Alpergensee, Switzerland

Zhangjiajie National Forest Park, China 3

Son Doong Cave, Vietnam. The largest cave in the world.

Kauai, Hawaii

Salt Flats of Bolivia

Old Man's Cave - Hocking Hills, Ohio

Fall in Matanuska Glacier

Mendenhall Glacier, Juneau Alaska

Hraunsvatn and Hraundrangi, Öxnadalur, Iceland.

Ice Caves of Kamchatka, Russia

Little village Oberhofen, Switzerland

Mt. Everest as seen by Drukair 2

Waiting for Sunrise, Canadian River Wetlands, Lake Meredith NRA, Texas