view on building ruprechtbau of heidelberg castle, ger. schloss heidelberg in heidelberg, baden-wuerttemberg, germany. europe

activity ancient baden badenwuerttemberg castle city complex defense district domestic famous fort fortification fortress germany heidelberg heidelberger historical hotspot imperial king knight large local mansion medieval monarch neckar old palace protection residence royal ruprecht ruprechtbau schloss schwabia sightseeing stone strong stronghold tourism tourist tower town traditional travel typical unesco wall