Part of the Antonine Wall near Rough Castle, two miles west of the centre of Falkirk. The Antonine Wall was built from AD142 to 144 and ran for 37 miles (60km) from Bo'ness on the River Forth to Old Kilpatrick on the River Clyde. More pics and info: https://www.undiscoveredscotland.co.uk/falkirk/roughcastle/index.html
