Read Stonehenge isn't the only prehistoric monument that's been moved – but it's still unique (phys.org)

I led the team of researchers that discovered that Stonehenge was most likely to have been originally built in Pembrokeshire, Wales, before it was taken apart and transported some 180 miles to Wiltshire, England. It may sound like an impossible task without modern technology, but it wouldn't have been the first time prehistoric Europeans managed to move a monument.