Potsdam City Hall was the administrative center of the city of Potsdam. Built in 1524, the town hall was destroyed in a fire in 1536. With the agenda to rebuild a new royal seat, the Prussian king Frederick the Great ordered its renovation. For more than a century of its existence it was used as a city prison and was converted into a government building only in 1875; If you are near, you must visit this landmark and contemplate its architecture.