view to the windows of the barrel building fassbau from the terrace of heidelberg castle. baden wuerttemberg, germany, europe

ages architecture baden badenwurttemberg barrel bell building burgansicht castle castles complex culture cultures destination europe fassbau fortification fortress friedrichas friedrichsbau german germany gothic grounds heidelberg heidelberger holiday interest landmark lock middle mountain neckar octagonal old point renaissance ruin ruins sandstone sky southern summer terrace tourism tower travel turret view wall western wuerttemberg