Across ancient mythologies, the same story repeats...knowledge came from elsewhere. The Egyptians credited their gods, the Sumerians their Anunnaki, the peoples of the Americas their sky-born teachers. Geometry, agriculture, astronomy-- all said to have arrived from outsiders. The root names persist across cultures, echoing a memory older than history itself. Myths may veil the truth, but their consistency suggests real events behind the stories. | The Randall Carlson

From goggles to kayaks and much more, check out 8 incredible inventions of the Indigenous Peoples of the Americas that will never be forgotten, in this episode of History Countdown. | HISTORY