Fountain Paint Pot in Yellowstone National Park, Montana

Waiting for Sunrise, Canadian River Wetlands, Lake Meredith NRA, Texas

Coeur d'Alene Lake, Idaho

Erosion on the slopes of a volcano near Ankisabe, Madagascar

The Angel Falls, Canaima National Park, Venezuela - Highest Waterfall in the World

Point Arena, CA

Reed Flute Cave, Guilin, China

Ironton, Colorado

Gifford Pinchot National Forest, Washington

Devil's Tower, Wyoming

Lost Mine Trail Chisos Mountains - Big Bend National Park, Texas

Allgäu, Germany

Hidden Beach, Marieta Islands, Puerto Vallarta, Mexico