Robson is in the southwest of the county as he pays a visit to three landmarks that have played a key role in Northumbrian and British history. He starts at Hadrian’s Wall before moving on to Kielder Water, the biggest man-made reservoir in Northern Europe. He concludes his adventure by paying a visit to his hometown of Hexham where he finds out about the turbulent past of Hexham Abbey and learns the secrets of its Anglo-Saxon crypts.