What on Earth?Season 22016 · 6 episodesEpisodes1Finding Vietnam's Lost POWsEvidence of human activity is found in strange times and places, and a new perspective on a biological activity known since the nineteenth century.2Secret of Doomsday MountainFive discoveries are probably related to potential warfare and one possibly to wildlife.3Lost City of the KalahariMajor natural anomalies and varied human activities are investigated.4Who Built Supervillain Island?We investigate two examples of human activity in the U.S.A., one in Africa and one in Asia, with two natural phenomena where ice is a major factor.5Curse of the Lost KingdomWe investigate two examples of men at war, and two engaging with water, but another vision is in the eyes of the beholders, and the last phenomenon is a severe natural event.6Hidden Tomb of Genghis KhanWe investigate one natural phenomenon, four shapes that look like being of human origin, and monitor one example of human origin and current destruction.Season 1Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12
