Hill fortress of Sigiriya, Sri Lanka

Fort Bourtange fort in, Bourtange, Groningen, Netherlands

Tahiti from under a wave

Sun set in Disco Bay, West Greenland

Angel's Landing, Zion National Park, Utah

Somewhere in Berner Oberland, Switzerland

Frasier Lake, Bozeman Montana

Plitvice Lakes, Croatia

The Matterhorn piercing the Alps

Devil's Tower, WY

Hanging Lake, Colorado

Confluence of the Rhone and Arve Rivers in Geneva, Switzerland

Alberobello, Italy