Guess What Was Found Inside America’s Ancient Mounds? (rewind)

Across North America, enormous ancient mounds and precisely engineered geometric earthworks preserve the legacy of sophisticated Indigenous cultures—and some have also inspired enduring mysteries. In this episode, we explore these remarkable monuments, unusual artifacts discovered within them, and controversial historical reports of unusually large skeletons unearthed from ancient mounds. What do these discoveries really reveal about the people who built America’s mysterious earthworks thousands of years ago?