Rio Secreto, Riviera Maya, Mexixo

Glade Creek Grist Mill in West Virginia

Stunning pic of Monument Valley. (does anyone know how this was formed?)

Upper Antelope Slot Canyon, Arizona

Westfjords Dynjandi, Iceland

Lunar Formations, Salt Point, California

Vatnajökull, Iceland

Blue River, Greenland

Hamilton Pool, Texas

Plitvice Lakes National Park, Croatia

Autumn in the Yukon

Fly Geyser, Nevada

Lake Anna,Virginia