Sikirica Island, Croatia

Inspiration Point

Lake Retba, Senegal

Richat Structure (Eye of the Sahara)

Wildflowers of Alaska

The coastline of Lake Urmia, in Iran.

The beginning of fall in Northeast Ohio

Alpergensee, Switzerland

Annecy, France

Havasupai Falls, AZ

Lake Matheson, Newzealand

Møns Klint, Denmark

Spearfish Canyon in the fall