One of the most controversial subjects regarding the ancient prehistoric cultures of North America concerns what we refer to as the Unique Physical Types (UPT). For the purposes of what follows, these UPT are often gigantic humanoid skeletons with hyper elongated or high-vaulted crania, occasional extra or pathological detentions (including several reports of double or triple rows of teeth), and are usually discovered in the burial mounds and associated graveyards of the Adena-Hopewell, Archaic Cultures, and Southeastern Ceremonial Complex.