National Geographic Channel Naked Science: Atlantis

What do we really know about the lost city of Atlantis and what happened on the day it died? Built a thousand years before the Egyptian pyramids, the megalithic ruins outside the city of Valetta, in Malta, represent the oldest, most advanced architectural structures on Earth. Legend tells us that the golden civilization became so corrupt and depraved that it was destroyed by the angry gods. Could Malta have been the site of culture of Atlantis?