In the north of England, the 900-year-old Appleby Castle, once the palace of bona ... such monarchical amenities as a 13th-century round tower, a 15th-century dining room, two Great Halls (one ...

The door was only recently discovered in Dover Castle, in southeast England, charity English Heritage ... Six to 12 men would guard St. John’s Tower - where the door was found - in the castle ...