Beside of Sanssouci the park "Neuer Garten" (new garden) belongs to the parks worth seeing in Potsdam. Famous for the castle Cecilienhof, the location of the Potsdam Conference in 1945, but also for the Marmor Palais, the Rotes Haus and other more.
Gotische Bibliothek (gothic library) on the south bank of the lake Heiliger See in Potsdam