If you know anything about Apocalypse Now's creation, you probably already know that it was a pretty strange scene from the start. Even if you know about the drugs, blood and money problems on set, you probably still don't know all the fascinating facts from this great article.
For example, did you know that Robert Redford, Jack Nicholson, Steve McQueen, and Al Pacino were all offered the role eventually played by Martin Sheen, but they all turned it down? Additionally, Harvey Keitel was cast in the role before Sheen, but he was eventually fired.
Check out the rest of the strange and interesting trivia over at Flavorwire.