Beautiful museum of miniatures and dioramas. The pieces here are very impressive and you can find all kinds of miniatures: military, fantasy, movies, etc... The dioramas are amazing, they have an incredible and huge one of a WWII german submarine which even has lights. There's also a collection of historical bronzes by the artist Fernando Andrea. It has a store where you can buy miniatures, books, sculptures and they also offer custom services, they can create any diorama, portrait, miniature or sculpture for you. If you are looking to do something original and special while visiting Madrid, this is absolutely the place