Signpost to the dolmens

Signpost to the dolmens, originally uploaded by Rhian vK.

Allées couvertes du Liscuis
Taoliou-maen al lizkuiz
Dolmen: a stone table: a prehistoric sepulchral chamber of erect unhewn stones, supporting a flattish stone. [French, dolmen; usually explained as - Breton, dol, taol = table, men = stone]
In Welsh, though, the term is 'cromlech'.