30 Unusual Archaeological Finds In The US We Still Can’t Explain

10. AMERICA’S STONEHENGE

For years there’ve been debates about the use of these rock formations. The Stonehenge found in New Hampshire, outside of Salem, is said to be an ancient settlement. The structure isn’t like England’s Stonehenge because it has numerous human-made stone chambers. The site also includes walls and other stone structures. There are many debates as to what it is, but the most popular states that Native Americans built it around 2,500 years ago and used it for religious ceremonies.