Ellen Davies

Rome's Lost Empire

Dan Snow attempts to use the latest satellite technology to reveal the secrets of the Roman Empire, identifying lost cities, amphitheatres and forts.

Egypt's Lost Cities

It is possible that only one per cent of the wonders of ancient Egypt have been discovered, but now, thanks to a pioneering approach to archaeology, that is about to change. Dr. Sarah Parcak uses satellites to probe beneath the sands, where she has found cities, temples and pyramids. Now, with Dallas Campbell and Liz Bonnin, she heads to Egypt to discover if these magnificent buildings are really there.