If there’s one thing science fiction and fantasy fans can agree on, it’s that we love a good map. Lord of the Rings paved the way for nerds to obsess over fictional geography thanks to the meticulous mapmaking of J.R.R. Tolkien. When George R.R. Martin was crafting the story that would become HBO’s Game of Thrones, he followed Tolkien’s lead with a detailed map of Westeros — even if his first step was simply taking a map of the U.K. and flipping it upside down.
