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Underground 'superhenge' discovered in Wiltshire:
Archaeologists have discovered at least a hundred stone monoliths near Stonehenge, buried just a metre beneath the ground.
Some of the 4,000 year-old structures are almost 15 feet tall and were found using the latest technology, to create underground maps.
Avebury (/ˈeɪvbəri/) (20 miles away from Salisbury) is a Neolithic henge monument containing three stone circles, around the village of Avebury in Wiltshire, in southwest England. One of the best known prehistoric sites in Britain, it contains the largest megalithic stone circle in the world. It is both a tourist attraction and a place of religious importance to contemporary pagans. https://en.wikipedia.org/wiki/Avebury