I really like when authors create fictional towns or locations set in the real world and give them a really rich and believable history. For example Derry from IT. I genuinely thought that was a real town for a while. It’s just really cool to me that he made a whole map of the town and had so many details about historical events that happened there. It is inspired by a real place (Bangor, ME) but it’s not an exact recreation of it, there are a lot of things that he added or changed.