Outdoors Videos

Searching for Atlantis with Josh Gates | Expedition Unknown | Discovery

Josh Gates dives off a remote Japanese island to investigate the Yanaguni Ruins, a massive underwater rock formation dubbed the “Japanese Atlantis.” The episode follows his swim through tunnels, giant obelisks, stepped terraces, and a striking “face” carved into the stone, prompting the host to wonder whether the site is natural or the product of an ancient civilization. The team documents right‑angled steps, drainage channels, and perfectly round holes, all features that suggest deliberate engineering. Carbon‑14 analysis of coral on the rocks indicates an age of more than 3,000 years, predating the metal‑tool era of the Ryukyu people. On‑shore, researchers find tombs and a cliff‑top carving that mirrors the underwater face, reinforcing the hypothesis of a linked, possibly ritual, complex. “None of this looks accidental,” Gates remarks, echoing Professor Kimura’s assessment that “the monument was cut using tools.” Local researcher Masahiro Tanaka describes the face as a guardian totem, while Kimura argues the structure would have required technology unavailable to the Ryukyu, implying a lost, perhaps mainland, culture built the site before tectonic shifts submerged it. If proven man‑made, the Yanaguni Ruins could upend conventional timelines for complex construction in East Asia, prompting a reassessment of maritime trade, religious practices, and technological diffusion long before recorded history. The discovery also fuels tourism and scholarly interest, positioning the remote island as a potential hotspot for future archaeological expeditions.