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.

A unique celebration of one of Earth's most iconic birds, featuring all 18 species in footage from New Zealand, Cape Town, the Galapagos Islands and Antarctica.