The discovery of complex fish trapping networks from 4,000 years ago hint at how the Maya rose up as a civilization in Central America and what is now southern Mexico.
The wheel was likely invented around 6,000 years ago, but a new analysis of curious rocks from Israel suggests that wheel-like technologies existed even earlier.
The Vikings landed in what is now Newfoundland, Canada around the year A.D. 1000. So why didn't they colonize the region like other Europeans did centuries later?