Nuremberg: Today Congress Hall building are a memorial and a reminders of the evil that took place during the Nazi regime.
More info: Inspired by the Coliseum in Rome, the Congress Hall (Kongresshalle) is the biggest preserved national socialist monumental building and is landmarked. It was planned by the Nuremberg architects Ludwig and Franz Ruff. It was intended to serve as a congress centre for the NSDAP with a self-supporting roof and would have provided 50,000 seats. It was located on the shore of and in the pond Dutzendteich and marked the entrance of the rally grounds. The building reached a height of 39 m (128 ft) (a height of 70 m was planned) and a diameter of 250 m (820 ft)