Al Pacino snorts half of Miami and shoots the other half, and somehow it became the most quoted film in hip-hop.
Fun fact: The mountain of fake cocaine on set was actually powdered baby laxative, and Pacino said it gave him a genuine sore nose.
Heath Ledger turned up, did that, and now every comic book villain is just trying to keep up.
Fun fact: "Heath Ledger locked himself in a hotel room for six weeks to develop the Joker's voice and mannerisms."