India, Oct. 27 -- The official teaser for HBO's original series IT: Welcome to Derry opens with a young hitchhiker walking down a snowy road on a cold night. When a friendly couple offers him a lift and asks where he'd like to go, he replies, "Anywhere but Derry." Fans of Stephen King, of course, know all too well the danger that lurks in this infamous fictional town. But did you know that behind Derry, Maine, lies a real place, filled with streets and landmarks that inspired King's imagination? Wondering where Pennywise's shadow first took shape? Here's everything you need to know about the real town that gave its image to Maine's fictional Derry in the IT universe.

An integral part of the King-verse, Derry serves not only as the settin...