Penrhyn Castle is a country house in Llandygai, Bangor, Gwynedd, North Wales, in the form of a Norman castle. It was originally a medieval fortified manor house, founded by Ednyfed Fychan.

Eye Castle
Eye Castle is a motte and bailey castle, built during the reign of William I by William Malet, who died fighting Hereward the Wake in 1071. The Malet family also controlled the surrounding Honour of Eye, a significant collection of estates centering on the castle,