Arch near Saint George, Utah

Cachoeira dos Cristais.

Iguazu Falls, Argentina and Brazil

North Antarctica

Havasupai Falls, AZ

Stream at Muir Woods

West Virginia

Bimmah Sinkhole, Oman

Underwater river

An ancient tree on the rim of Oregon's Crater Lake at twilight

My backyard, New Zealand

Radiant garden on the east coast of Maui, where the river meets the sea at Oheo Gulch. Maui, Hawaii

Forbidding Canyon