Old Castle (Altes Schloss) is the oldest building in Stuttgart. Individual fragments of its walls are in fact a part of the fortifications that were built in the X century. Throughout the long history the castle had been destroyed and rebuilt many times. The facade in the Renaissance style the castle acquired in the XVI century.
Now inside its walls there is the Württemberg State Museum. Its exhibitions tell the story about the history of people, the religion and the region that surrounds Stuttgart. Attention attracts an exhibition devoted to the history of costume. In the south-east wing of the castle there is a church, where the remains of King Charles I and Queen Olga are buried. Also, a memorial to Claus von Stauffenberg can be found in the Old Castle. In 1944 Claus was one of the organizers of the assassination attempt on Adolf Hitler.