Secrets of the DeadSeason 162016 · 5 episodesEpisodes1After StonehengeResearchers working in secret inside a quarry study the charred remains of an English settlement that dates back 3,000 years.2Graveyard of the Giant BeastsA mining operation in Cerrejon, Northern Colombia reveals a large cache of fossils dating to ten millions years after the KT extinction of the dinosaurs.3Van Gogh's EarWhat did Vincent Van Goh really do on the night of December 23, 1888?4Nero's Sunken CityFollow Archaeologists who map underwater ruins of ancient Rome's version of Las Vegas5Leonardo: The Man Who Saved ScienceAn investigation to discover if Leonardo da Vinci came up with all of his credited ideas and inventions, or were they borrowed from ancient scholars and scientists?Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 17Season 18Season 19Season 20Season 21Season 22Season 23Season 24