Culture-loving Rob Rinder joins architecture fan Rylan as they follow in the footsteps of 19th century romantic poet Lord Byron and other Grand Tourists, immersing themselves in the art, culture, bad behaviour and life-changing exploits of historic Brits abroad.
The actor makes his way along Hadrian's Wall, built to guard the northern frontier of the Roman Empire in AD122, and covering almost 80 miles in length from the Irish Sea to the North Sea.