On the Salisbury Plain in Wiltshire, England, two miles to the west of Amesbury is where you'll find the henge structure known as Stonehenge. Outer ring comprised of vertical sarsen standing stones, each measuring approximately 13 feet in height, seven feet in width, and weighing approximately 25 tonnes. Lintel stones were used to link the individual stones.Stonehenge is among the most well-known buildings to have been constructed during the Stone Age. The initial construction was a...