Subscribe ► http://goo.gl/WPKt5w Sadly, time travel hasn’t been invented yet. If it had been, archaeologists and scientists would have a much easier job. They’re great at finding things that our ancestors left behind hundreds or even thousands of years ago, but they can’t always explain them. The people who came before us have left behind plenty of mysteries for us to puzzle over, and we’ve put some of the biggest and best ones together for you in this video! For all questions contact us at: amazingstockchannel@gmail.com