Now into its fourth season, American Horror Story has become a cultural phenomenon since the first season back in 2011. If you havent gotten round to watching it yet, you need to sit down and get started because youre seriously missing out. As an anthology series, each season is a self-contained miniseries following a disparate set of characters and setting with their own season storyline, all containing a beginning, middle and end. Despite not having an overarching story, each season has been widely popular among critics and viewers alike. Each series of the show so far boasting ratings of over 80% on Rotten Tomatoes and huge viewing figures, with season four, based around a Freak Show, having a series high of 6.17 million viewers tuning in for the series premiere. The show has been successful on the awards front as well, winning 39 of the 136 awards it has been nominated for, often beating quite stiff competition in the process. As with everything in the entertainment business, there are a huge amount of facts and interesting titbits around the show. Some come from behind the scenes, some are about casting choices and others are about the lives of the cast outside of the TV show. For instance, show creator Ryan Murphy recently revealed that every season of the show is connected, which makes some of the storylines and character arcs all the more interesting given their interconnectivity. So from Murder House to Freak Show, here are 20 Mind Blowing Facts You Never Knew About American Horror Story.