In 990AD, the Archbishop of Canterbury named Sigeric the Serious had a more practical reason to walk to Rome. Having risen into his prestigious office, he needed to visit the Vatican to be ordained and collect his official garments. At the time he made the journey, there were many different paths to Rome. But Sigeric, who’d left from Canterbury, wrote down his route home through Italy, Switzerland, France and into the UK, cataloguing the towns he stayed in on his journey. The route he took now makes up the official Via Francigena. The only part that cannot be completed on...