12 Most Mysterious Finds Scientists Still Can't Explain

Not everything that’s found by archaeologists can be adequately explained by scientists. That’s because our understanding of history is incomplete. In some cases, there are enormous holes in it. We can speculate all we like about how or why our ancient ancestors made some of the things they built, but we might never get the full picture. Experts are still stumped about several of the things you’re about to see in this video!