EntityQ1012201· pop 6· linked from 50 articlesHardenstein CastleSign in to saveruined castle in North Rhine-Westphalia, GermanyConnectionsAustriaCountryGermanEntityNorth Rhine-WestphaliaEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityRuhrEntityTecklenburgEntityAugustusburg and Falkenlust PalacesEntityWewelsburgEntityNibelungEntitySchloss DrachenburgEntitySchloss NordkirchenEntitySchloss MünsterEntityVischering CastleEntityPalais SchaumburgEntityBurg CastleEntityBenrath PalaceEntityOrdensburg VogelsangEntitySchloss RheydtEntityThomas KeightleyEntityCategoriesBuilding and structure articles needing translation from German WikipediaCastles in North Rhine-WestphaliaCommons link from WikidataCounty of MarkLowland castlesRuined castles in Germany