"George Pal had wanted to do a film about Atlantis in the mid-1950s after reading a copy of the 1949 play "Atalanta, a Story of Atlantis" by Sir Gerald Hargreaves. Pal's studio at the time, Paramount, turned down the project." See imdb.com/trivia for more data on the story.
The distance from Athens to Atlanta covers a big area where a lot of things could have happened in the distant past.
Several empires & civilizations have fallen apart over the eons of earth time as a result of war & disasters.
Any key artifacts remain undiscovered or deliberately hidden throughout the shadows of history. If such ancient technological items were to be on display in a museum there would be too many questions about hidden archeology & forbidden aspects of history.
Richard_C. Hoagland has made several intriguing observations about the Abydos hieroglyphs , enterprisemission.com has many pages on the subject.
