Tutbury Castle - Credit: Wikimedia Commons
Tutbury Castle is a largely ruined medieval castle at Tutbury, Staffordshire, England, in the ownership of the Duchy of Lancaster and hence currently of King Charles III. It is a Scheduled Ancient Monument. People who have stayed in the castle include Eleanor of Aquitaine and Mary, Queen of Scots, who was a prisoner there. Read more on Wikipedia
Source: en.wikipedia.org