The archaeological complex of `` Brú na Bóinne '' is 5,000 years old and includes the burial sites of Newgrange , Knowth and Dowth , in the north-east of the county .
The archaeological complex of `` Brú na Bóinne '' is 5,000 years old . It includes the burial sites of Newgrange , Knowth and Dowth , in the north-east of the county .