Hidden in the Heartland Season 2 – 3. Archaeoastronomy
During the research of ancient sites of North America, the question is asked: why were the sites built in the first place? Did the early inhabitants have a greater knowledge then we think they do? In this episode, see examples of sites such as the Serpent Mound, the Newark Earthworks and the Menorah Mound raise more questions then answers in who these people were.