Photo of the Day: A couple walks through Death Valley.
Photo by: Peng Jiang (Pleasanton, CA); Death Valley, CA.
Photo of the Day: The stairs of the CaixaForum, a museum in Madrid.
Photo by: Javier Paniagua (Alcobendas, Madrid, Spain); Madrid, Spain
Photo of the Day: Annual Bucking Horse Sale in Miles City, Montana.