Plot: Situated on the eastern coast of the Isle of Man, the village of Laxey is known today as a tourist destination, but as archaeologist Ben Robinson finds out, it wasn’t the beaches and the mountains that attracted Victorian tourists, but an engineering marvel - the biggest waterwheel in the world. Ben meets local resident Matthew Boyd who is repairing and restoring the 22-metre-wide great wheel and finds out how it transformed this small mining community to one of the most successful in the British Isles