Suffersheim near Weißenburg i. Bay. (in Bavaria, Germany) also belonged to the filming locations. Everything is about a quarry, whose owner is so wealthy that he lives in a castle. That is Syburg castle. From Suffersheim to Syburg you are about 45 minutes on the road. Here, fans make a couple of filming locations:
http://www.tv-kult.de/index.php?site=sendungdetail&m=SF&tvdbid=6305&startkommentar=6