09-04A bull in the foothills of Mount Pico on Pico Island in the Portuguese archipelago of the Azores - Atmo-Sphere/Getty Images)
08-31Cavern in Pictured Rocks National Lakeshore on Lake Superior, Michigan - Kenneth Keifer/Getty Images)
08-29Bicycle sculptures at the Col d'Aubisque, Hautes Pyrenees, France - Fco. Javier Sobrino/age fotostock)
08-27Sailing stone at Racetrack Playa in Death Valley National Park, California - Patrick Walsh/Getty Images)