The Ravages of Time
Even a great castle built from stone like Ruthin Castle succumbs to time. The oldest sections of the castle are still open for tours, but it has fallen into a state of disrepair. The stones have collapsed, and the mortar has given way, making these areas too dangerous to go inside of. If you are in the area, this historical and haunted castle is well worth taking a side trip to see.
Chillingham Castle
Chillingham Castle is another castle built during the 13th century like Plas Teg. It is located in the village in Chillingham in Northumberland, England. The ironically named Chillingham Castle is touted as the most haunted castle in all of the UK. Unlike many other castles in the area, Chillingham did not begin life as a castle, but as a monastery. It was later converted to a castle to serve as a strategic point between England and Scotland.