Britain's Secret Treasures

Episode 1 (2x1)

Air date: Oct 17, 2013

Actor James Purefoy tells the tale of an ancient sword at the heart of Northumberland's history, and broadcaster and anthropologist Mary-Ann Ochota uncovers the story of a discovery in Lincolnshire that on first glance appeared to be bomb fragments - but was later suspected to be the remains of a statue of Roman emperor Domitian and his horse.