Iguazu waterfalls, between Argentina and Brazil

Sunset in Iceland

Nauyaca Falls, Costa Rica

Waterfalls of Iguazu National Park, Argentina

Birch forest, Altai Mountains, Kazakhstan

Autumn in Patagonia, Argentina.

Green Mountains, China

Dark Hedges, Northern Ireland

Mt. Wilbur in Glacier National Park

Columbia River Gorge, Washington State

Switzerland, near the French border

Blue Ice Cave, Antarctica, December 2011.

Sunrise at Crater Lake