Sun set in Disco Bay, West Greenland

Yellowstone

Pico Cão Grande, São Tomé and Príncipe

El Matador Beach, California

Grand Canyon Skywalk

Looking toward Ben More peak, near Queenstown, NZ. March 2012.

St. Thomas, U.S. Virgin Islands

Bernina Express at highest point

Rio Secreto, Riviera Maya, Mexixo

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

Fall colors at a stream near Milford, New Hampshire.

Soča River, Slovenia

Underwater river