Devetashka Cave, Bulgaria

Fall in Matanuska Glacier

Mendenhall Glacier, Alaska

Seychelles

Perito Moreno Glacier

Hanmer Springs Night Sky, New Zealand

Socotra Dragon Trees, Socotra archipelago

At Hoover Dam, Nevada/Arizona

Rock formation in Moab, Grand Canyon, Utah

Brahmaputra River, Tibet

Trappers Lake, Colorado

Reed Flute Cave

Point Reyes tree tunnel, California