The hidden world of the historical residential alleys runs like a labyrinth through the rear courtyards of nearly the entire Old Town and today forms part of the Lübeck UNESCO World Heritage Site and the living urban culture. Once there used to be 180 inhabited alleys and courtyards, today there are around 80 left. Most of them are open to the public and freely accessible on a relaxed stroll through the Old Town, some are locked at night by a gate and a few immersed in their own private world behind closed doors. The small, lovingly restored alleyway houses today represent coveted living space in the heart of the town and second to none when it comes to idyllic romanticism. It was not always thus.