Ludgershall Castle - Credit: Wikimedia Commons
Ludgershall Castle is a ruined 12th-century fortified royal residence at Ludgershall in Wiltshire, England. Three large walls still remain of the castle, which was turned into a hunting lodge by Henry III but fell into disuse by the 15th century. The ruin was listed as a Scheduled Ancient Monument in 1981. Read more on Wikipedia
Source: en.wikipedia.org