Venture into Vienna's underground on a guided tour that leads you underneath the city to the gloomy world below.
Unravel the darker side of Vienna's past and the forgotten sites that played a murky role. On your tour, you will visit different private, non-public accessible basements in the heart of Vienna, each of which guarding unsettling secrets and unusual stories about their former uses.
Slip into a parallel world of mystery and discover relics from World War II, lost places, former air raid shelters, and places of refuge for outcasts.
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