Tintagel Castle, associated with the legend of King Arthur, Tintagel, Cornwall, England, UK

Tintagel Castle, associated with King Arthur in legend, Cornwall, England

Majestic ancient castle by a serene lake with cloudy skies and mountainous backdrop, Eilean Donan, Dornie, Scotland, United Kingdom, Europe

An aerial view of the dramatic ruins of Tintagel Castle, said to be the birthplace of King Arthur, on a rocky island off the shore, near the town of Tintagel, Cornwall, England, United Kingdom, Europe

Bran Castle, Bran, near Brasov, Transylvania. The castle was built by Saxons in 1377 who were given the privilege by Louis I of Hungary. It is a national monument and landmark in Transylvania and famous for its association with the Dracula story.

Neuschwanstein Castle, Southern Bavaria. This 19th-century historicist palace is built on a rugged hill of the foothills of the Alps in the very south of Germany and is a UNESCO World Heritage site.

Castle of Dysert O'Dea, 15th Century tower house, near Corofin in County Clare, West of Ireland

Mythological figure at Konigschloss Herrenchiemsee Castle on Herren Insel island, Chiemsee Lake, Baden-Wurttenberg, Bavaria, Germany

Lemeneagh Castle ruins, home of legendary Maire Ruagh, built 15th and 17th Century, Kilfenora, County Clare

Bran Castle, Dracula's castle in the legend, Transylvania, Romania, Europe