Photo of the Day: Monday April 12 2010

This ancient Incan city, nestled in the creases of the Andes, is a familiar favorite—for good reason. “It’s magnificent,” says Gail Mooney. “I spent most of my first morning watching as clouds and mist enveloped the mountain peaks, and shafts of light streaming through holes in the fog, struck the walls, making it suddenly appear spotlit. I felt like I was discovering it for the first time. I visited for three days, and the mood of the landscape changed daily.”