Ardmillan

Inch Abbey is a large, ruined monastic site 0.75 miles (1.2km)

Strangford Castle is a castle on a height overlooking the harbour in

Audley's Castle, is a 15th century castle located 1 mile (1.6km)

Killyleagh Castle is a castle in the village of Killyleagh, County

Grey Abbey is a ruined Cistercian priory in the village of Greyabbey,

Nendrum Monastery was a Christian monastery on Mahee Island in

Portaferry Castle is a small tower house in Portaferry, County Down,

Quoile Castle is a castle situated 1.5 miles (2.4km) from Downpatrick,

The Somme Heritage Centre is a tourist attraction and education center

Sketrick Castle is a castle situated on Sketrick Island near

Quintin Castle is a castle situated in County Down, Northern Ireland,

Audleystown Court Cairn is a dual court grave situated near the south

Stormont Castle is a baronial mansion on the Stormont Estate in east

Movilla Abbey in Newtownards, County Down, Northern Ireland, is