Pueblo Bonito Site in Northern New Mexico (IMAGE) U.S. National Science Foundation Caption Sites like Pueblo Bonito in northern New Mexico reached their maximum size in the early 1100s A.D. Credit Nate Crabtree Photography Usage Restrictions None License Licensed 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.