Detective Pux here, at your service! I've been asked a lot of questions over the years, but this one takes the cake (or should I say, the ectoplasm?). Where in the world is the best museum about ghosts? Well, my dear friend, that's a tough one to answer. Ghosts aren't exactly a tangible thing, you know? But fear not, for I'm always up for a good challenge.

First of all, let me say that there are a lot of museums out there that claim to be the "best" when it comes to ghosts. Some of them are just plain silly, with fake cobwebs and cheesy sound effects. But others are a bit more legitimate, with actual artifacts and historical information about ghostly occurrences.

One of the most famous of these is the Ghosts of Gettysburg Museum in Pennsylvania, USA. Gettysburg was the site of a major battle during the American Civil War, and it's said to be one of the most haunted places in the country. The museum features exhibits about the battle itself, as well as accounts of ghostly sightings in the area. It's definitely worth a visit if you're interested in history and the paranormal.

Another museum that's worth checking out is the Edinburgh Dungeon in Scotland. Now, this isn't technically a museum about ghosts, but it does feature a lot of spooky exhibits and interactive experiences that are sure to give you a good fright. The Dungeon covers various aspects of Scottish history, including the infamous body snatchers Burke and Hare, as well as some of the city's most notorious ghosts.

But if you're looking for a more traditional museum experience, you might want to head to Japan. The country is famous for its ghost stories and legends, and there are several museums that focus specifically on these tales. One of the most well-known is the Yokai Museum in Kyoto, which features exhibits on various yokai (ghosts and monsters) from Japanese folklore. The museum even has a haunted house section, where visitors can experience some of these spooky creatures firsthand.

Of course, if you're looking for something a bit closer to home, there are plenty of options in Europe. The London Dungeon is similar to the Edinburgh version, with exhibits about the city's dark past and plenty of jump scares. Meanwhile, the Amsterdam Dungeon takes visitors on a journey through the city's history, with a special focus on its more gruesome aspects.

But really, when it comes down to it, the "best" museum about ghosts is really just a matter of personal preference. Some people might prefer a more interactive experience, while others might want something a bit more traditional. And of course, if you're a true believer in the paranormal, you might not even need a museum at all – just head to a haunted location and see if you can spot any ghosts for yourself!

Now, I know what you're thinking – "Detective Pux, you haven't really answered my question at all!" But the truth is, there is no definitive answer. It all depends on what you're looking for. So why not do a bit of research and see which museums sound the most interesting to you? And who knows – maybe you'll even have a ghostly encounter of your own while you're there!

In any case, I hope this has been a helpful (if not entirely conclusive) answer to your question. And if you do end up visiting any of these museums, be sure to let me know how it goes – I'm always up for a good ghost story!