Hill fortress of Sigiriya, Sri Lanka

Marble Caves in Chile

Porto Moniz, Portugal

Caddo Lake, Texas

Admirable rock formations in Varna, Bulgaria.

Canaima National Park, Angel Falls

Saw this in the valley, on the way to Yosemite, CA

Sunrise at Cathedral Cove Beach , New Zeland

North Falls, Silver Falls Oregon

Lake Matheson, New Zealand

Easter Island, Polynesia

Lightning flashes around the ash plume of the Puyehue-Cordon Caulle volcano chain near Entrelagos, Chile.

County Fermanagh, Northern Ireland