Volcano Anak Krakatau

Crooked Forest; West Pomerania, Poland

At Hoover Dam, Nevada/Arizona

Admirable rock formations in Varna, Bulgaria.

A rich view of Earth

Devil's Tower, Wyoming

Banff national park

The Matterhorn piercing the Alps

Tundra in autumn in Denali National Park, Alaska

Nahanni National Park

Yushan National Park, Taiwan

Seljalandsfoss, Iceland

Hanging Lake, Colorado