Why Visit Weird Museums in Prague?

Prague has always been a hub for the strange and the supernatural. In the 16th century, Emperor Rudolf II invited alchemists to his court. This legacy of alchemy and magic history still exists today. You can feel it in the narrow, winding streets of the city.

Visiting these museums helps you understand the local culture better. Czech humor is often dark and surreal. These collections reflect that unique worldview perfectly. You can learn more about this on the official Visit Czechia website. It is a great way to see beyond the tourist traps.

These sites are also perfect for rainy days or winter trips. Most are located indoors in historic cellars or old townhouses. They provide great stories to tell your friends back home. No one expects to hear about a museum dedicated to sex machines or KGB secrets.

11 Weird Museums in Prague to Visit

Prague offers a wide variety of niche collections for every interest. Here is a list of the top weird museums in Prague to add to your 2026 itinerary. Each one offers a unique look at a specific slice of history or human curiosity.

• Best overall: Speculum Alchemiae
• Best for families: Lego Museum
• Best for history buffs: KGB Museum
• Best free option: Looking at David Cerny sculptures between stops

1. Name: Speculum Alchemiae Type: Museum Why go: Explore a hidden 16th-century alchemy lab found after a flood. Best for: History lovers and mystery seekers. Where: Haštalská 1, Old Town. Time: 1 hour. Cost: Moderate. Getting there: Walk from Old Town Square. Tip: Book the guided tour to see the underground tunnels.
2. Name: Museum of Historical Chamber Pots and Toilets Type: Museum Why go: See one of the world's largest collections of historical toilets. Best for: Those who appreciate quirky and niche history. Where: Vyšehradská 12, Prague 2. Time: 45 minutes. Cost: Low. Getting there: Take tram 18 or 24 to Albertov. Tip: Look for the royal portable toilets used by famous emperors. Check the Prague tourism portal for seasonal hours.
3. Name: Sex Machines Museum Type: Museum Why go: It is the only museum in the world dedicated to mechanical erotic devices. Best for: Adults looking for a very unusual experience. Where: Melantrichova 18, Old Town. Time: 1 hour. Cost: Moderate. Getting there: Just steps from the Astronomical Clock. Tip: You must be 18 or older to enter this museum.
4. Name: Museum of Alchemists and Magicians of Old Prague Type: Museum Why go: Learn about Edward Kelley and the legends of Faust. Best for: Fans of folklore and the supernatural. Where: Jánský vršek 8, Lesser Town. Time: 1 hour. Cost: Moderate. Getting there: Walk up the hill from Malostranské náměstí. Tip: Visit the Kellyxír alchemical bar next door for a themed drink.
5. Name: KGB Museum Type: Museum Why go: A private collection of Soviet-era spy gear and weapons. Best for: Cold War history enthusiasts. Where: Vlašská 13, Lesser Town. Time: 1.5 hours. Cost: Moderate. Getting there: Near the US Embassy in Mala Strana. Tip: The owner often gives energetic personal tours that are very memorable.
6. Name: Museum of Senses Type: Experience Why go: Interactive exhibits that trick your brain and senses. Best for: Families and social media photos. Where: Jindřišská 20, New Town. Time: 1.5 hours. Cost: Moderate. Getting there: Near Wenceslas Square. Tip: Don't miss the Idiom book tower nearby at the library for more optical illusions.
7. Name: Lego Museum Type: Museum Why go: The largest private Lego museum in the world by number of exhibits. Best for: Kids and nostalgic adults. Where: Národní 31, New Town. Time: 1-2 hours. Cost: Moderate. Getting there: Take the Metro to Můstek. Tip: Look for the massive model of the Charles Bridge.
8. Name: Invisible Exhibition Type: Experience Why go: Experience daily life in total darkness guided by blind people. Best for: Those seeking an empathetic and unique perspective. Where: Karlovo náměstí 1, New Town. Time: 1.5 hours. Cost: Moderate. Getting there: Near the New Town Hall. Tip: You must book your time slot in advance online.
9. Name: Cold War Museum (Bunker Jalta) Type: Museum Why go: A secret nuclear bunker hidden under a famous hotel. Best for: History buffs interested in nuclear bunker tours. Where: Wenceslas Square 45. Time: 1 hour. Cost: Moderate. Getting there: Inside Hotel Jalta at Wenceslas Square. Tip: Tours are often small, so check availability before you go.
10. Name: Sedlec Ossuary Type: Day Trip Why go: A chapel decorated with the bones of over 40,000 people. Best for: Fans of the macabre and gothic art. Where: Kutná Hora. Time: 4-5 hours (including travel). Cost: Moderate. Getting there: Take a Sedlec Ossuary bone church day trip by train from Prague Main Station. Tip: Visit the nearby St. Barbara's Cathedral while you are in Kutná Hora.
11. Name: Zizkov Television Tower Type: Viewpoint Why go: See the giant crawling babies on the tallest building in Prague. Best for: Modern art fans and those wanting great views. Where: Mahlerovy sady 1, Žižkov. Time: 1 hour. Cost: Moderate. Getting there: Follow a Zizkov Television Tower guide to reach it via the green metro line. Tip: Go at sunset for the best views of the city skyline.

Planning Your Quirky Prague Itinerary

When planning to see weird museums in Prague, grouping them by neighborhood is smart. Most are in the Old Town or Lesser Town. You can easily walk between several spots in one afternoon. For larger sites, consider using the efficient tram system.

Prague is a very safe city for tourists. However, always keep an eye on your belongings in crowded areas. Many of these museums are small and can get full quickly. It is often best to visit on weekday mornings to avoid crowds. You can check the National Museum website for general museum standards in the city.

If you want more mystery, try ghost and legends tours at night. These tours often pass by the weird museums mentioned here. They add a layer of storytelling to the physical exhibits. It makes the whole experience much more immersive for visitors.