The Agean Sea, Santorini, Greece

Devil's Tower, WY

Calaveras Big Trees State Park, Arnold, CA

Beynac Castle, France

Turquoise ice at Lake Baikal, by Alexey Trofimov

Trunk Bay in St. John, US Virgin Islands

Sunset in Amay, Belgium

Bali, Indonesia

Rosh HaNikra Grottoes, Israel

Porto Moniz, Portugal

The Grand Canyon Walls

The Waterfall Room - Glacier National Park, Montana

Stormy dawn on the Kalapana lava flows, HI.