A desert in the middle of Iran. Photo by Arash Karimi

Hume Lake, Sequoia National Forest of Fresno County, California by Lou Lu

Iguazu waterfalls, between Argentina and Brazil

Golden and green countryside in the farmlands of Palouse, Washington

Algonquin Provincial Park, Quebec.

Bali, Indonesia

Seven Rila Lakes in Rila Mountain

A view from Cathedral Rock, Sedona, Arizona

Lizard Island, Australia

Washington Pass

Hidden Beach on Marieta Islands, off the coast of Puerto Vallarta, Mexico

Evening in Venice, Italy

Fall colors at a stream near Milford, New Hampshire.