Expedition Unknown - Season 2 - Eps 7: Japan's Atlantis
Gates goes to the ruins of Yonaguni Island, the westernmost Japanese island on the East China Sea, to determine whether the undersea structures are geologic or man-made. The Yonaguni Monument discoverer, Kihachiro Aratake, dives with Josh, showing him the undersea area with cut steps leading up to a level platform. Josh takes a rock sample for geologic analysis. In Osaka, archaeologist Michio Maezano shows Josh an ancient rock tomb. It proves that ancient people could have carved the Yonaguni structures, then an earthquake could have sunk them.
About Expedition Unknown

Title: Expedition Unknown
First Air Date: 2015-01-08
Last Air Date: 2024-11-20
Status: Returning Series
Rating: 7.9/10 (from 58 votes)
Language: EN
Seasons: 16
Total Episodes: 149
Network: Travel Channel DMAX
Genres: Documentary, Reality
Production Companies: Ping Pong Productions
Synopsis
The adventures of Josh Gates as he investigates unsolved iconic stories across the globe.
Cast

Josh Gates
Self - Host