http://www.pontcysyllte-aqueduct.co.uk – When Thomas Telford finished his Pontcysyllte Aqueduct in 1805, it was the tallest canal boat crossing in the world. It’s still there. Still taking canal boat passengers on the ride of their lives. But now it’s on the world map.
UNESCO have now made this masterpiece of civil engineering a World Heritage Site — along with 11 miles of canal including Chirk Aqueduct and the Horseshoe Falls near Llangollen.