Many are said to be haunted by the ghosts who set up their entourage at the strongholds. Others witnessed murder, civil war and treachery and some strongholds were used as prisons where rulers locked up rebels who threatened their power base. Many are owned and kept by English Heritage. Most charge admission fees and ask visitors to book in advance. Opening times and rules are available on websites including English Heritage and individual sites.
5. Bolton Castle
Despite being attacked by Cromwell’s forces, the castle remains in great condition. There is plenty to see including Mary Queen of Scots' bedroom.
6. Barden Tower
Always accessible to the public Situated in Wharfedale, it dates back to the late Middle Ages. Between the 15th and 16th centuries, it was a hunting lodge for noble and wealthy individuals.
7. Knaresborough Castle
First built in around 1100, by a Norman baron, it is situated upon a cliff that towers above the River Nidd, making it an ideal location for defence.
8. Pickering castle
The remains that stand today are well-preserved. It was one of very few castles in England that were not heavily damaged by the English Civil War and the War of the Roses.