Jago Cooper journeys into the Peruvian Andes in search of the Chachapoya people, whose funeral traditions challenge assumptions about ancient human behaviour.

Dr Jago Cooper visits the ruins of Tiwanaku in the Bolivian Andes and finds evidence of an ancient people with amazing understanding of their environment.

Through the mountains and jungles of Colombia, Dr Jago Cooper goes in search of the truth behind one of the greatest stories ever told - the legend of El Dorado.