Chaco Canyon's "Pueblo Bonito" (IMAGE) University of Cincinnati Caption The largest puebloan great house "Pueblo Bonito" served as a residence and ceremonial site for funerals and seasonal rituals in ancient Chaco Canyon. Credit Vernon Scarborough 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.