David Honnorat created The Great Map of Movieland, a delightful atlas showing 1,800 movies organized into regions by genres.
Films are marked as towns in four sizes: Movie, Must-see, Masterpiece, and Good remake(s). Here's a detail showing Costume Grove, Adventure Plains, and Drama Area:
The poster is two feet tall by three feet wide. It's fun to scroll around and be reminded of films, and it may even lead to a few good suggestions for your next viewing party.