"Monoliths or single upright stones. The best example is at Carnac, in Brittany. This huge stone when perfect, was 63 feet high, and 14 feet in diameter at its widest part. It is rudely shaped to a circular form, and weighs about 260 tons." — Encyclopedia Britanica, 1893

Maenhir and Trillithon

"Monoliths or single upright stones. The best example is at Carnac, in Brittany. This huge stone when…