Jenolan Caves, Blue Mountains, NSW, Australia

Rio, Brasil

Crimean night

Kaieteur Falls - Guyana, South America

Laguna de los Tres and Fitz Roy, Argentina

Ironton, Colorado

Rocky Mountains National Park, Colorado

Gifford Pinchot National Forest, Washington

Cliff of Moher, Ireland

Valley of the Moon, Wadi Rum, Jordan

Garibaldi Lake, BC, Canada

The 12 Apostles, Australia

A lake in the Uinta Mountains, Utah