Navigating through the Highlands using a modern OS map.
A 1577 map of Norfolk provides safe passage through wild waterlands.
William Smith's 1815 Geological Map of England and Wales overturned existing ideas about mineral prospecting, fossils and the origins of Earth.
Nicholas navigates around the treacherous Cornish coastline.
The Gough Map was created in the time of Geoffrey Chaucer.
Harry Beck designs the London Underground Map.
A road map from 1675 leads Nicholas Crane over the notorious trans-Pennine pass from York to Lancaster.
Wild Highland landscapes await when Nicholas travels across William Roy's pioneering military map of 18th-century Scotland.