He was called Quetzalcoatl by the Aztecs and Kukulcan by the Mayans. Some have suggested that the Egyptians, Cretans, Greeks, Phoenicians or even Irish monks may have crossed the Atlantic to visit South America. The explorer Thor Heyerdahl even built a boat of reeds and sailed it across the ocean to prove the Egyptians could have made such a voyage. Here is a reading list which contains important books about lost civilizations. There are several sites related to Lost Civilizations and traditions with more coming online all the time.
Some sites maintain excellent links to the best ancient civilizations web pages.
This site created by Dancing Spirit Web Creations. Melinda Reese , Dancing Spirit Web Creations.