Old Wardour Castle was used as Lord Locksley's home and final resting place in Robin Hood, Prince of Thieves -- but that film only hints at its splendours and fascinating history.
From the English Heritage website: "One of England's most romantic castles... -- in a secluded lakeside setting. Built in the late 14th century for John, fifth Lord Lovel, this unusual six-sided castle was unique in medieval English architecture. Not only was it a secure house, it was also a luxurious residence, with multiple rooms for guests. Old Wardour was intended to impress visitors and guests with its builder's wealth, taste and power. Badly damaged in the English Civil War, it was restored to the Arundell family who continued to maintain it as a ruin when they built New Wardour Castle nearby in 1776."
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The majority of the descriptive text is taken from the English Heritage guidebook.