The Cecilienhof castle is historic building where Potsdam conference was held. Truman, Churchill and Stalin met here in 1945 to divide the spoils of post-war Europe. You can access all of the rooms as they were when the conference happened. After , you can have a relaxing cup of tea or coffee or a lunch at the terrace of the Cecilienhof Palace Hotel's restaurant, where a nice garden offers a great view.