You know the Dark Knight was one of the most complex superhero movies ever. But did you know these seven surprising behind-the-scenes factoids?? Subscribe: http://goo.gl/9AGRm

These 7 facts will make you appreciate Christopher Nolan's vision, Heath Ledger's performance, and the hard work of everyone who worked on the Dark Knight all the more. Or at least you'll know some obscure trivia so you can out-geek your geeky friends.

What did you think of these obscure facts? Did any of them take you by surprise? Are you already planning a trip to Batman, Turkey, to take a picture in of yourself wearing a Batman costume (come on, we know we're not the only ones who thought of that)?

What other movies would you like us to illuminate for you in future installments of Things You Didn't Know?

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Movies are a very complicated mess of time, money, people, and strange decisions. Inevitably, in the hodgepodge of life that goes into creating a movie, a few strange and interesting things happen here and there that are rather fascinating little tidbits of information. Every Monday starting in 2014, tune in to Cinefix for lists of things we find out that you (probably) didn't know!