Purported Ancient Worlds/Atlantis
Atlantis is an ancient mythical island, whose existence and location have never been confirmed. The first known references to Atlantis are from the classical Greek philosopher Plato, who said it was engulfed by the ocean as the result of an earthquake 9,000 years before his own time. Plato claimed it was somewhere outside the Pillars of Hercules, now known as the Strait of Gibraltar. While there are many theories about Atlantis, nearly all serious research concludes that Atlantis never existed as Plato described it, although elements of his story may have been drawn from real events.