Famous tourist destinations and architecture in Heidelberg, Germany, before World War 2. Views of Heidelberg and the Old Bridge (Am Hackteufel, 69117 Heidelberg, Germany). Trees in the background. A statue of Pallas Athena on the Old Bridge. Trees around the Heidelberg Castle (Schlosshof 1, 69117 Heidelberg, Germany). A ruined building in the castle seen. A view of the Church of the Holy Spirit or Heiliggeistkirche (Marktpl., 69117 Heidelberg, Germany) from the castle.