Inverness Castle sits on a cliff overlooking the River Ness. The red sandstone structure evident today was built in 1836 by a ...
Chepstow Castle is the oldest surviving post-Roman stone fortification in Britain. Located above cliffs on the River Wye, co ...
Dunnottar Castle is a ruined medieval fortress located upon a rocky headland on the north-east coast of Scotland. The su ...
Powis Castle is a medieval castle, fortress and grand country house near Welshpool. The seat of the Herbert family, Earls of ...
Fort Charlotte in the centre of Lerwick, Shetland, is a five-sided artillery fort, with bastions on each corner.The first inc ...
Newport Castle was built in the 14th century, probably by Hugh de Audley, 1st Earl of Gloucester or his son-in-law, Ralph, Ea ...
Derry"s walls were originally built by the Irish Society between 1613 and 1619. They were built with the intention of ...
Carrickfergus castle was built by John de Courcy in 1177 as his headquarters, after he conquered eastern Ulster in 1177 a ...
Culzean Castle is a castle overlooking the Firth of Clyde, near Maybole, on the west coast of Scotland. It is the former home ...
Doune Castle was originally built in the thirteenth century, then probably damaged in the Scottish Wars of Independence, befo ...
Tenby Castle was a fortification standing on a headland separated by an isthmus from the town of Tenby. The castle, which was ...
Cowes Castle, also known as West Cowes Castle, is a Device Fort on the Isle of Wight. Originally built by Henry VIII in 1539 ...
Hay Castle is a medieval fortification and 17th-century mansion house in the small town of Hay-on-Wye, Wales. Originally cons ...
Pembroke Castle is a Norman castle, founded in 1093. It survived many changes of ownership and is now the largest privately o ...
Swansea Castle is located in the city centre of Swansea. It was founded by Henry de Beaumont in 1107 as the caput of the lord ...
Launceston Castle was probably built by Robert the Count of Mortain after 1068, and initially comprised an earthwork and timb ...
Tantallon Castle is a ruined medieval fortress atop a promontory opposite the Bass Rock, looking out onto the Firth of Forth. ...
Chirk Castle was built in 1295 by Roger Mortimer de Chirk, uncle of Roger Mortimer, 1st Earl of March as part of King Edward ...
Dunluce Castle is a ruined medieval castle located on the edge of a basalt outcropping in County Antrim, and is accessib ...
The Great Siege Tunnels in the British Overseas Territory of Gibraltar, also known as the Upper Galleries, are a series of tu ...