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New technology reveals lost cities in inhospitable jungles, and researchers wonder if the mythical city of El Dorado could be the among them. After a crystal is found on a shipwreck, experts believe it could prove how the Vikings to discovered America.
Atlantis is one of the most famous disappearances of all time. After thousands of years, state-of-the-art technology might finally be able to crack this ancient mystery. And after nine hikers die in a gruesome cold case, new science provides a hot lead.
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- Premiered: August 26, 2017
- Rating: TV-PG
- Premise: A look at the theories behind what happened on the day of disappearances and what science says about what really transpired. (more)