The Vienna City Temple is a synagogue you cannot see from the street. Josef Kornhäusel built it in 1825 and 1826 inside a block of flats on Seitenstettengasse, at a time when a non-Catholic house of prayer was not allowed to show itself on a public front. What he fitted into the courtyard is an oval hall ringed by twelve Ionic columns, with the women's gallery carried on them and seating for around seven hundred.
The concealment decided the building's fate. On 10 November 1938 nineteen of Vienna's synagogues were destroyed and seven badly damaged. This one was wrecked inside, but the shell stood, because the neighbouring houses were built hard against it and burning one meant burning them all. In August 1981 gunmen attacked a bar mitzvah here and two people were killed. That is why police stand in the lane, why you need a passport and a booked place on a tour, and why the door is otherwise closed.