Glyn Daniel, Magnus Magnusson and Gwyn Jones discuss the evidence for possible Viking travels to North America in the wake of the 1965 publication of the Vinland Map. Magnusson examines the Flatey Book at Denmark's Royal Library.[

Professor Max Mallowan along with Sir Mortimer Wheeler, Dr R. D. Barnett and Gordon Waterfield present findings from the excavation of the one-time Assyrian capital city of Nimrud/Kalhu (in modern-day Iraq).

• Professor Gerald Hawkins's theory that Stonehenge was used for astronomy. • Dr. John Napier and Professor Kenneth Oakley discuss the Vértesszőlős skull, and claim it to be homo sapiens rather than homo erectus as originally believed.[

The buried ship at Sutton Hoo, the possibility of Somerset's Cadbury Castle being Camelot of Arthurian legend, and the Irish burial mound of Newgrange

• General Sir Brian Horrocks on the fictional 1875 Battle of Dorking Gap and its effect on the popular imagination. • The Norman Conquest of England as shown by the Bayeux Tapestry

The Great Fire of London of 1666

Heinrich Schliemann's 1873 discovery of the Treasure of Priam at Hisarlik, and its disappearance from World War II era Berlin

• The evidence for pre-Norse settlement of Iceland by Irish monks. • Ancient Rome's best geese were reputedly sourced from northern Gaul. Daniel, aided by Olympic gold medalist Ann Packer, experiments to find the daily walking pace of geese, and shows the journey to take three months.