emains of a ringwork castle in Templeton, Pembrokeshire. Possibly the forerunner of Narberth Castle a few miles to the north.

he village of Sheriff Hutton in North Yorkshire is the location of two castles. The earliest was a motte and bailey castle and its remains are to the south of the church at the east end of the village. A later and larger stone castle was built on the southern side of the village.

t. Catherine's Castle is located in Cornwall on the entrance to the Fowey River. It was built by King Henry VIII to protect the inlet from invasion by the French. The sailors based at Towey had a reputation for piracy and attacking the ports of the French coast. So they had, in-turn, to protect their harbour from retaliation. In order to protect the harbour, the townspeople built two blockhouses, one on each side of the entrance from which they could hang a chain. This prevented any unwanted ships entering. The blockhouses fell into disrepair over the centuries so King Henry VIII had a more permanent structures built, one being St. Catherine's. Like many of the castles that Henry built, St. Catherine's is just a gun-fort and not designed to be a residence. The castle was later re-used in World War II.

t. Mawes Castle was built in around 1540 by Henry VIII and was one of a pair of castles guarding the entrance to Falmouth harbour. The second castle on the other side of the estuary is Pendennis Castle. St Mawes consists of a large circular tower with three seni-circular towers at its base.

he abbey and castle of St. Michael's Mount sit on top of a small island a few hundred metres of the southern coast of Cornwall. The abbey was founded in the mid eleventh century when Benedictine monks from the French abbey of Mont St Michel came to the site. In the time of Richard I the island was captured by Henry de Pomeroy who was a supporter of the future King John. The island was fortified by Pomeroy and again in the late fifteenth century by John de Vere, the Earl of Oxford. de Vere was a supporter of Henry VI and he held the castle for several weeks against attacks from supporters of Edward IV.

nly the motte and some earthworks remains are all that is left of this once motte and bailey castle. Overlooks the River Arrow, a tributary of the River Avon.

arthworks remains of a moated fortified manor house located near the M5 motorway that inorporates some English Civil War defences. Only the earthworks including sections of the two concentric moats remain.in 1388 Sir John Russell was granted a license to crenellate his home by King Richard II. During the English Civil War the castle was the property of Sir William Russell who was the Royalist Governor of Worcester. The house was destroyed at the end of the war.

emains of a motte and bailey castle.

his Cistercian abbey was founded in Lincolnshire by Robert de Greslei. In 1216 King John visited the abbey after losing his baggage train in the Wash Estuary when the tide turned and swept it away. That night the King feasted on fruit and cider and fell ill. Some say that the King was poisoned by a monk from the Abbey. King John was transported to Newark Castle where he died a few days later. Nothing now remains of the abbey.

arthwork remains of a motte and bailey castle and the birthplace of Owain Glyndwr. Glyndwr famously rose up in revolt against King Henry IV of England in 1400. The remaining contours of land show a mound with flattened summit surrounded by a ditch that could have been filled with water. A separate bailey is located to the south-west of the mound. The remains are under the care of Cadw and a small cark park is provided for visitors.