sex clubs, many in a permanent location, but they often keep a low profile. The easiest and simplest way to know the difference between swinger clubs and socials, groups or Meet-n-Greets is that swinger clubs are usually a brick and mortar physical locations where you meet other swingers. The city hall (Rathaus) is an impressive building that our bus travelers visit frequently. Also, did you know that the first ever discothèque was opened in 1959 in Aachen? As a rule, female bisexuality and bicuriosity are common in swinging and tend to be the norm amongst participants; 3 Similarly, the online swinger site Swinger Social Network demonstrates that their female membership approximates a 50 population of bisexual females. However, in case you dont want to leave Germany just yet, Cologne, Düsseldorf or Dortmund are only a few hours away. Get the App for exclusive offers. One of the first major "mainstream" sex/swinger clubs in the US was Plato's Retreat in NYC. By contrast, male same-sex activity is usually, though not always, unwelcome.