Windsor Castle is a royal residence at Windsor in the English county of Berkshire.
The Tower of London is a historic castle located on the north bank of the River Thames in central London.
Neuschwanstein Castle is a 19th-century Romanesque Revival palace on a rugged hill above the village of Hohenschwangau near Füssen in southwest Bavaria, Germany.
The Bastille was a formidable fortress that played an important role in French state affairs.
Edinburgh Castle is a historic fortress which dominates the skyline of the city of Edinburgh from its position atop Castle Rock.
Bran Castle, commonly known as 'Dracula's Castle', is a national monument and landmark in Romania.
Azuchi Castle, a hill castle located in Ōmihachiman, was one of the primary castles in Azuchi, Japan.
Castel Sant'Angelo, also known as the Mausoleum of Hadrian, is a towering cylindrical building in Parco Adriano, Rome, Italy.
Bamburgh Castle is a castle on the northeast coast of England, by the village of Bamburgh in Northumberland.