Wiston Castle - Castell Cas-wis was built in the early twelfth century and swopped hands between the English and Welsh in the twelfth and thirteenth century prior to it being abandoned. The remains of a motte and stone shell keep can be seen and is situated off the A40 about five miles northeast of Haverfordwest (Welsh: Hwlffordd) and three miles west of Llawhaden, Pembrokeshire, Wales (Welsh: Llanhuadain, Sir Benfro, Cymru).
Link: Wiston Castle Cadw.