At the same time, the club ranks among the best-equipped clubs in the world. They are also unique for their original character, which creates the preserved historic interior of the building, built at the turn of the 14th and 15th centuries. The original mosaic lining of the corridors and walls, the mosaic paintings in the main halls, and the partially preserved old spa facilities and Roman-style pools that nowadays use water on the two floors of the club as a dance floor create together with modern equipment and music a completely inimitable atmosphere. which became the most visited dance club in the Czech Republic. Apart from the public spas in the past Karlovy Vary, for example, there was a café or a newspaper publisher Karel Havlíček Borovský. Since the second half of the last century, the building has been orphaned and gradually dilapidated. At the end of the 1990s, the idea of a devastated building, just 100 meters from the Charles Bridge, was created and a musical club was built in its premises. He welcomed his first visitors on December 1, 1999.