Newgrange

Newgrange (Sí an Bhrú) is a prehistoric monument in County Meath, Ireland, about one kilometre north of the River Boyne. It was built about 3200 BC, during the Neolithic period, which makes it older than Stonehenge and the Egyptian pyramids. Newgrange is a large circular mound with a stone passageway and chambers inside. The mound has a retainin...
Found on http://en.wikipedia.org/wiki/Newgrange

Newgrange

Outstanding Neolithic passage-grave and the world's oldest known astronomical observatory; one of four great Neolithic burial mounds in the Boyne Valley necropolis, 3 km/5 mi east of Slane, County...
Found on http://www.encyclo.co.uk/local/20688
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