Perhaps something sank in the Med near Greece, but it was not Atlantis. By definition, Atlantis was in the Atlantic. Check Plato.
Whatever may have sunk in all the other locations worldwide, that have been proposed, may be very interesting human legends and parallels to Atlantis, but the only location that IS Atlantis, must be in the Atlantic. Elementary, my dear Watson.
Originally I posted my comments as a joke. But in the piece on the Discovery Channel they made what I thought was a compelling arguement that Plato and those guys had no access ot the "other side" of the Atlantic. As with many things they made Plato's description fit the area of interest around the northern Med but then tied it in with some archeaology evidence. Right now I'm not even sure that there ever was an Atlantis. Thee right proof could convince me either way.
All of that said I do however believe that much of the history and technology of ancient man was lost some how. I think in the burning of the libray at Alexandria. But hey what do I know......