Curious stone chambers dot the New England countryside.
Most archeologists insist that they are.
But some seem too sophisticated for such a mundane application. One of these problematic chambers is built into a hillside at Upton, Massachusetts. J.W. Mavor, Jr., and B.E. Dix carefully measured and studied this chamber over a period of years. The dry masonry chamber at Upton, Massachusetts. The sophisticated corbelling of the structure closely follows that seen in Irish and Iberic chambers, such as New Grange.