Hell Gap site (IMAGE) University of Wyoming Caption The Hell Gap archaeological site in eastern Wyoming is one of the sites included in a new study that supports the hypothesis that humans first arrived in the Americas by at least 14,200 years ago in Beringia and by about 13,000 years ago in the temperate latitudes of North America. Credit Todd Surovell Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.