Josh Gates from the Travel Channel series Expedition Unknown travels to his ancestral home of Great Britain to explore the origins of Stonehenge. From high in the air to deep under the sea, he finds an unexpected network of monuments that could have inspired one of history's most mystical locations.
This video shows how Teledyne BlueViews 3D Multibeam Scanning Sonars are used to find and map what is believed to be the original inspiration for Stonehenge.
