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Shell Ring

Piles of clamshells (Schvin/CC BY 2.0), background: men in a Curragh, a skin boat (WilliamMurphy/CC BY-SA 2.0);Deriv.

Seafarers and Shell Rings: Strange Formations on the American Coast a Hallmark of Faraway Visitors?

Just south of Awendaw, South Carolina, in the Francis Marion National Forest, is an example of a type of architectural artifact that still baffles archaeologists. For every explanation someone offers...