America’s Stonehenge: A Classic Whodunit and Whydunit.
Salem, N.H. — At this leafless and gloomy time of year I traveled, in the spirit of the symbologist Robert Langdon of “The Da Vinci Code,” to America’s Stonehenge, in this town five miles from the Massachusetts border. Scholars have debated whether the stone cairns and chambers here were built by early American Indians, enterprising [...]