Newgrange world heritage site. Carved stone at entrance of Prehistoric Burial Site  Republic of Ireland Eire

Newgrange World Heritage Site. Wall detail of Prehistoric Burial Site  Republic of Ireland Eire

Detail of prehistoric rock relief depicting elephant.

Detail of prehistoric rock art depicting giraffe and hunter.

Detail of prehistoric rock art depicting ostrich.

Entrance to Prehistoric Burial Site in the Boyne Valley with carved stone in the foreground

Entrance to Prehistoric Burial Site in the Boyne Valley with carved stone in the foreground

Hagar Qim prehistoric site with view of carved doorway.Colorful

Hagar Qim prehistoric site with view of rocks of the temple s boundary wall.

Cave of the Hands. Prehistoric rock paintings of human hands in red black and orange 13 000 to 9 500 years old.

Cave of the Hands. Prehistoric rock paintings of human hands and animals in red black and orange 13 000 to 9 500 years old.