In the waters around Okinawa and beyond to the small island of Yonaguni, divers located eight separate locations beginning in March 1995. That first sighting was equivocal - a provocative, squared structure, so encrusted with coral that its manmade identity was uncertain. Then, as recently as the summer of 1996, a sports diver accidentally discovered a huge, angular platform about 40 feet below the surface, off the southwestern shore of Okinawa. Pictures.... http://www.cyberspaceorbit.com/phikent/japan/japan2.html http://www.morien-institute.org/yonaguni_schoch1.html Article... http://www.lauralee.com/japan.htm This site has had almost no coverage, and most of the scientific community thinks they are just naturally made. I watched a history channel special on them, and there are some pretty convincing explanations for both sides.