Discover a hidden and non-publicly accessible historical pharmacy cellar in the heart of Vienna. Explore an old laboratory and medicine cellar and learn how medicine was made in the past. Acquire a new perspective on Vienna with a guided tour of the city's underground world. Travel underneath the city to discover the gloomy world that awaits. Walk around the hidden Vienna and learn about both the beautiful and ugly sides of the Viennese underground. Beneath the city of Vienna lies a hidden network of corridors, shafts, and subterranean buildings. Discover a former air raid cellar and a medicine cellar. Go on a journey to a parallel world and see relics from World War II, a historical pharmacy laboratory and a medicine cellar. The Viennese underworld is larger and more extensive than in other cities and holds a world of mysteries.