The park occupies 81.4 square miles ( 211 square kilometers ) near the Four Corners and features ruins of homes and villages built by the Ancestral Puebloan people , sometimes called the Anasazi . The park occupies 81.4 m ( 211 square kilometers ) near the Four Corners and features numerous ruins of homes and villages built by the Ancestral Puebloan people , sometimes called the Anasazi .