Andy Warhol's 15 minutes of fame has lasted 25 years. Born in 1928, he left a huge legacy behind when he passed away in 1987 after routine gall bladder surgery. From drawings, paintings and prints to videography, publishing and performance, he produced more than art -- he was essentially his own brand. From haunting black and white self-portraits to Polaroid snapshots of celebrities, many of the photos in the collection later became the inspiration for Warhol's most well-known Pop Art pieces.