Most popular fortresses GermanyNorth Rhine-Westphalia Fortresses North rhine-westphalia Fortresses North Rhine-Westphalia mapSee on the map North rhine-westphalia fortresses by popularity rating +COLOGNEGermanyFort X+COLOGNEGermanyFortress Museum+COLOGNEGermanyFort Paul of Mecklenburg See fortresses in other regions Baden-Württemberg Bavaria Berlin Hesse North Rhine-Westphalia Rhineland-Palatinate Saxony Saxony-Anhalt Thuringia Other categories:MuseumsChurchesAnimalsLookoutsGardensBotanical GardensCastlesFountainsParksMonumentsNatural history museumsCathedralsPublic squaresBeachesBathsArt galleriesPalacesTreasuriesAquariumsNarrow gauge railwaysBoardwalks
