* Warner Bros. Studio Tour London - The Making of Harry Potter: This is the most comprehensive and official experience available. You can see real sets, props, and costumes from the films. It's located near London and offers tours with interactive elements.
* The Wizarding World of Harry Potter: This is a themed area at Universal Studios in both Orlando, Florida and Hollywood, California. It features rides, shows, shops, and restaurants all themed around the Harry Potter universe.
* The Harry Potter Exhibition: This traveling exhibition has been to various locations around the world. It features costumes, props, and behind-the-scenes information about the films. You can check their website for upcoming locations.
* The Leaky Cauldron (London): While not a museum, this pub inspired by the Harry Potter series in London offers a magical atmosphere. It's a popular destination for fans.
So, while there isn't a single museum dedicated to Harry Potter, there are many places offering immersive experiences for fans to enjoy!