I think I read somewhere that many native Americans in North America came across the bearing straits from Mongolia? - I will try to find the link. Native Americans actually came from a tiny mountain region in Siberia, DNA research reveals a tiny region in central Russia has DNA link to native Americans today. Ancestors thought to have walked across ice 13,000 years ago-Altai is 'key place', because central location means ancient peoples passed through Altai is 'key place', because central location means ancient peoples passed through - althogh closest to real 'natives'