Experts discuss the various theories surrounding the lost treasure of Montezuma. This Aztec emperor's treasure was stolen by the Spanish and hidden in a long forgotten place. Hosted and narrated by Laurence Fishburne, each episode unpacks puzzles with contributions from top historians, authors, scientists, and researchers. From unsolved crimes to lost and buried treasures, and the deaths and disappearances of famous figures, History's Greatest Mysteries will explore possible explanations to some of the world's most confounding events.