Audleystown Court Cairn

Audleystown Court Tomb is a Neolithic dual court tomb located in Ballyculter parish, near the southern shore of Strangford Lough in County Down, Northern Ireland. The tomb was built during the period 3900–3500 BCE. It was first excavated by archaeologist, A.E. Collins in 1952. The Audleystown court tomb has a double courtyard-double burial chamber layout, which is unique to Ireland.

Source: Wikipedia