Neuschwanstein Castle, Germany
Agra Fort, India
Avila, Spain
Bamburgh Castle, England
Castel Sant'Angelo, Italy
Belem Tower, Portugal
Bunratty, Ireland
Caernarfon, Wales
The Rock of Cashel, Ireland
Château de Chambord, France
Château de Chantilly, France
Charles Bridge, Czech Republic
Château de Chenonceau, France
Eilean Donan Castle, Scotland
Dunguaire Castle, Ireland
Dunluce Castle, Nothern Ireland
Dunvegan Castle, Scotland
Edinburgh Castle, Scotland
Egeskov Castle, Denmark
The Pena National Palace, Portugal