Erosion on the slopes of a volcano near Ankisabe, Madagascar

Durdle Door, Jurassic Coast

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

Mountains and lake in Lauenen Switzerland

Møns Klint, Denmark

The Everglades

Cliffs in Scotland

Jaghori, Afghanistan

Antigua, Guatemala

The Waterfall Room - Glacier National Park, Montana

Arches National Park, UT

Taughannock Falls, NY

CRYSTAL CAVE Svínafellsjökull Skaftafell, Iceland