Caerfily Keep & Hanging Tower
View of Caerphilly Castle in Glamorganshire, Wales. Built in the late 13th century, by Gilbert de Clare a powerful Welsh Baron, Caerphilly Castle was the first concentric castle to be built in Britain. Its most celebrated feature are the extensive water defences- built on three man made islands the lakes that surround the castle were artificially created by damming the Nant Y Gledr river. The whole complex covers 30 acres and after Windsor Castle is the second largest in the United Kingdom. The castle last saw military action in the 15th century when it was captured by Owain Glyndwr but by the 16th century it had already partly fallen to ruin. Much of the remaining castle was destroyed during the Civil War. The castle was largely restored by the fourth Marquess of Bute in the early 20th century.