Meet The 100 Coolest Americans Of All Time

Photo: Courtesy of Robert Mapplethorpe Foundation/National Portrait Gallery. Today, the Smithsonian's National Portrait Gallery unveiled what might be its most intriguing -- and hyperbolic -- undertaking yet: a photo retrospective of the 100 coolest Americans in history. Dubbed "American Cool," the exhibition features stars of music, film, literature, art, and beyond. There's Johnny Depp and Benicio del Toro; Mae West and Bessie Smith; Steve Jobs and Selena. What's considered cool, you ask? We'r...