Two thousand years ago, Yellowstone obsidian and Gulf shark teeth were carried into Ohio earthworks, and Poverty Point reached just as far a thousand years earlier, before farming. The episode then turns to the 19th-century Mound Builder myth, which credited a vanished race, and the 1894 Smithsonian report that overturned it.
Calling Hopewell exchange a trade network may mislead, since there is little sign of markets or merchants. Many archaeologists favor pilgrimage, gift exchange, or expeditions to sacred sources.



