Castle facts!
Wales is believed to have more castles per square mile than any other country in the world.
Caerphilly Castle is the largest castle in Wales and the second largest in Europe.
Chepstow Castle is Britain's oldest surviving medieval stone castle made of stone. Its construction began in 1067.
Beaumaris Castle on Anglesey is generally considered the finest example of a concentric castle in Europe. It has been a World Heritage site since 1986.
The ruined Flint Castle is the only British castle with two donjons. It is famous for having the thickest walls (7 m / 23 ft) of any castle anywhere.
Powis Castle possesses Britain's oldest, and one of the last, true formal baroque gardens and is the most visited National Trust property in Wales.
Conwy Castle is considered to be one of the finest examples of late 13th century and early 14th century military architecture in Europe,
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From:
The History of Wales