Château de Lourdes, Hautes-Pyrénées, France
Castell Dolwyddelan, North Wales. Built in the early 13th century by Llywelyn Fawr (Llywelyn the Great), King of Gwynedd and Prince of Wales.
Killyleagh Castle – Killyleagh, County Down, Northern Ireland – dominates the small village and is believed to be the oldest inhabited castle in the country, with parts dating back to the 12th century. It has been owned by the Hamilton family since the early 17th century.
