Carnac, located on the north-west coast of France, is the site of the largest concentration of megalithic monuments in the world. Over 100 monuments, which include burial mounds, stone tombs, enclosures, and linear arrangements of menhirs, were erected between the 5th and 3rd millennia BCE by the Neolithic farming communities which inhabited the area of Carnac.
This is a companion discussion topic for the original content at https://www.worldhistory.org/Carnac/.