507 - Finding The Lost City of Z: Percy Fawcett's Suicide Mission

What began as a search for a mythical city hidden deep within the Amazon became an obsession that consumed famed British explorer Percy Fawcett. In 1925, convinced that an advanced lost civilization known only as “Z” truly existed, Fawcett led a small expedition that included his oldest son into one of the deadliest environments on Earth… and vanished forever. What happened to them? And does Z exist?