New research shows evidence of man-made pyramids in Antartica, in this clip from Season 3, Mysterious Ancient Ruins. Watch all new episodes of The UnXplained, Fridays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. #TheUnXplained Subscribe for more from The UnXplained and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Watch more The UnXplained on YouTube in this playlist: https://histv.co/UnXplainedYT
New research shows evidence of man-made pyramids in Antartica, in this clip from Seas
