Located in southern Germany, above Hohenschwangau village on Alps foothills. Built as King Ludwig II's retreat from Munich's constraints. Construction began in 1869 but never completed
Located on tidal island Eilean Tioram in Loch Moidart, 80 km from Fort William. Originally built by Clann Ruaidhrí, possibly from 13th or 14th century. Served as seat of Clanranald branch of Clan Donald. Seized by Government forces in 1692, later recaptured and torched in 1715
Seven-storey magical castle built in 993 by four famous wizards. Located in Scottish Highlands near Hogsmeade and Dufftown. Features 142 staircases and deep dungeons. Surrounded by mountains and Great Lake
Built by Ivo de Vesci around 1096, first mentioned in 1136. Captured by Scottish King David I in 1136, described as "very strong". Besieged by William the Lion in 1172 and 1174. Demolished by King John in 1212 after alleged conspiracy
Built in 1370-1380 to defend Paris from English attacks. Features eight towers and walls, 223 feet wide and 121 feet deep. Innovative design copied by France and England
William the Conqueror established the castle in 1066 as part of the Norman Conquest. The White Tower was built in 1078, making it England's earliest stone keep. The castle was initially used as a prison from 1100 to 1952