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Kit Harington Wore Heels for His Jon Snow Costume on Game of Thrones

Game of Thrones is known for its shock factor. After all, this is a show that unabashedly killed off a main character in Season 1 (RIP Ned Stark), slaughtered three favorites during a bloody wedding in Season 3 (RIP Robb, Talisa, and Catelyn) and threw in an aunt-nephew sex scene in Season 7 (worried for you, Jon and Dany). But even with such an intense and intricate plot, some of the most exciting parts of the GoT world are the things you don't see onscreen. From the real-life cast and the show's production to easter eggs from the George R. R. Martin series that started it all, here are some of our favorite mind-blowing Thrones tidbits.

Warning: potential spoilers ahead. But if you're really the superfan you say you are, you probably already know them all anyway.