castle liebenstein, kamp-bornhofen, germany

castle liebenstein kampbornhofen germany fortress fort citadel bastion defensive hill burg architecture architectural style tower towers mount river building landmark tourism tourist attraction sightseeing sight sights travel journey tour trip landscape nature historic historical exterior sunset sundown unesco world heritage site middle ages rhine rhineland rhineculture rhineromance rhinelandpalatinate german europe shpulak rhinepalatinate