Tony explores the mysteries and legends of the Icknield Way's prehistoric mines, hidden caves, demonic dogs and mysterious ley lines, as he travels from the Norfolk coast to Bedfordshire's hills.

Tony follows in the tracks of Celtic chariots, explores a burial chamber that's older than the pyramids of Egypt and uncovers the secrets of a great white horse as he travels along the Ridgeway.

For his final journey of the series, Tony Robinson travels along the North Downs Way visiting one of Britain's oldest oak trees, a shrine of Thomas Becket and a lost Roman battle site.