Or Coke bottles. Those are the tributes of choice left by the fans who visit Andy Warhol's grave near Pittsburgh, as NPR reports. (Guess they're less perishable than Whoppers?) Some big spenders even leave Chanel perfume. Now, artist Madelyn Roehrig has documented the graveside gifts in a photo compilation, as part of a project called "Figments: Conversations With Andy." See the pics below.