Arnside Tower

Late-medieval peel tower in Cumbria, England, now ruinous.

Peel Tower

Defensive tower built on both sides of the border between England and Scotland from the mid-14th century until about 1600.

Ellon Castle and gardens

Historic ruined castle remains, formerly Fortalice of Ardgith, focal point within a formal walled garden in Ellon

Roundwood

Roundwood is a wooded peninsula on the River Fal in Cornwall, where there is evidence of occupation and settlement since at least the Iron Age.

Crathes Castle

Classic Scottish tower house in Aberdeenshire, Scotland, built in the 16th century.

Mellor hill fort

Prehistoric site dating from the British Iron Age, situated on a hill in the village of Mellor, Greater Manchester, on the western edge of the Peak District.

Scottish tower house

Characteristic style of Scottish castle building in the form of a tall tower, surrounded by one or more wings in L or Z-shaped floor plans in its later development.

Castle Hill

Castle Hill is a scheduled ancient monument overlooking Huddersfield in Kirklees, West Yorkshire.

Sandal Castle

Ruined medieval castle in Sandal Magna, Wakefield in West Yorkshire, England. One of two castles built overlooking the River Calder, it was built by the Warrennes, the Earls of Surrey who were Lords of the Manor of Wakefield.

Ullerwood Castle

Early medieval fortification, possibly a shell keep, in Ringway, Greater Manchester, England.