menhir d'Er Grah
Locmariaquer, France · built -5000
The Locmariaquer megaliths are a complex of Neolithic constructions in Locmariaquer, Brittany. They comprise the elaborate Er-Grah tumulus passage grave, a dolmen known as the Table des Marchands and "The Broken Menhir of Er Grah", the largest known single block of stone to have been transported and erected by Neolithic people.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).