Newgrange is a prehistoric monument located in County Meath, Ireland. Built around 3200 BC, it is a passage tomb and part of the Brú na Bóinne UNESCO World Heritage Site. The structure is characterized by its large circular mound and a long passage leading to a central chamber, which is aligned with the rising sun during the winter solstice. The tomb is constructed with large stones and features intricate carvings. Newgrange is older than both the Great Pyramid of Giza and Stonehenge, highlighting its significance in ancient history. It serves as a testament to the engineering skills and spiritual beliefs of the Neolithic people who built it.