Castles 32 History 15 Fortification 5 Palaces 4 Guidebooks 3 History, Military 3 Architecture, Modern 2 Biography 2 Castles, Country seats 2 Country homes 2 Description and travel 2 Historic buildings 2 Pictorial works 2 Aljafería (Saragossa, Spain : Castle) 1 Antiquities, Celtic 1 Architects 1 Architecture, Islamic 1 Architecture, Renaissance 1 Arena theater 1 Art 1 Art collections 1 Ballads, English 1 Blarney Stone (Blarney Castle, Blarney, Ireland) 1 Britons 1 Buildings, structures, etc 1 Castle Howard (England) 1 Castles, Country seats, etc 1 Congresses 1 Conservation and restoration 1 Cooking, Spanish 1