These books and sites are great reads if you would like to learn more information on this subject...
1421: The Year China Discovered America by Gavin Menzies - He offers some incredible theories on the depth of Chinese exploration.
Click on the following sentences to follow the links to the pages mentioned:
This site takes a more in depth look at the Viking's discovery of America and is from the Smithsonian Institution
This link is to an article in the LA Times concerning the discovery of the chicken bones mentioned earlier
This scholarly paper offers more insight to the role Africans may have had on the Olmec Civilization
Click on the following sentences to follow the links to the pages mentioned:
This site takes a more in depth look at the Viking's discovery of America and is from the Smithsonian Institution
This link is to an article in the LA Times concerning the discovery of the chicken bones mentioned earlier
This scholarly paper offers more insight to the role Africans may have had on the Olmec Civilization