Avebury, England: Avebury Stone Circle and Silbury Hill

In the British countryside, near the village of Avebury, stand two of England's most mysterious prehistoric sites: the Avebury Stone Circle, 16 times as big as Stonehenge, and Silbury Hill, a yet-to-be-explained mountain of chalk that's the largest man-made construction from prehistoric Europe. More info about travel to England: https://www.ricksteves.com/europe/england