Excavations finds in dolmens include pottery, stone tools, polished axes and jewellery. They can be seen at Carnac and Vannes museums. Kercado, R'och Feutet, Kermario, and the three dolmens at Mane Kerioned. Scientifically speaking, nobody knows, but the standing stones gave way to the imagination and many theories going from a sign post to phallic symbol. Nowadays, we believe that isolated stones signal a nearby burrial place.
Alignments are menhirs placed in parallel lines.
The largest ones are in the West. Five serpents are engraved on the lower part of this megalith. Five polished axes sunk in the ground sharp end upwards were found there during excavations. They are now shown in the Carnac museum. This field of menhirs shows in its western part a large area in the shape of a barrel, from where 13 rows of menhirs are aligned.