Actually there is some evidence that Greecean or at least European explorers visited South America 1000's of years before we thought transAtlantic travel occurred. There are head carvings of men that are defintiely not of South Americans but more African or European shape. Thus it could have been these travellers that crossed the Atlantic and found this culture that gave rise to the Atlantian myth since stories usually get all blown out of proportion what actually is. The temple near Lake Titicaca was almost completely covered in gold and is actually a calender.