Percy Fawcett was a map-maker and an adventurer. In the early 1900s, he spent years mapping out the jungles of South America. Fawcett became obsessed with the idea of a lost city of gold hidden deep in the jungle. At the age of 57, Fawcett, his 21-year-old son Jack, and Jack's friend Raleigh Rimell left on a quest to find the Lost City of Z. The three men were never heard from again. Untangle the clues they left behind.