The World Heritage Site of Brú na Bóinne is Ireland’s richest archaeological landscape and is situated within a bend in the River Boyne. Brú na Bóinne is famous for the spectacular prehistoric passage tombs of Knowth, Newgrange and Dowth which were built circa 3200BC. These ceremonial structures are among the most important Neolithic sites in the world and contain the largest collection of megalithic art in Western Europe wikipedia.org
