Step into the mystical world of old Prague at this quirky museum, tucked away in the former home of the famous alchemist Edward Kelley. You'll get a fascinating glimpse into the city's magical past during the reign of Emperor Rudolf II. The highlight is a guided tour that takes you up a 16th-century spiral staircase into the attic, where a recreated alchemist's laboratory awaits, filled with strange artifacts and bubbling experiments.