The Ancestral Puebloans, often referred to as the Anasazi – a term now considered outdated by many scholars – were a Native American culture that thrived in the Four Corners region of the United States, where the modern states of Utah, Colorado, Arizona, and New Mexico converge. Renowned for their sophisticated architectural achievements, the Ancestral Puebloans built intricate cliff dwellings and multi-story stone complexes known as great houses, particularly in Chaco Canyon, which served as a major cultural and economic center between 900 and 1150 AD. These early inhabitants demonstrated an advanced understanding of astronomy, aligning their structures with solstices and equinoxes. They developed extensive road systems linking settlements across vast distances, suggesting a highly organized society with central planning. Their economy relied on a combination of dryland farming and trade. Despite the arid climate, they cultivated maize, beans, and squash using innovative water conservation techniques such as check dams and waffle gardens. The Ancestral Puebloans created exquisite pottery, often black-on-white with geometric motifs, and wove textiles from yucca fibers. Turquoise, prized for its spiritual significance, featured prominently in jewelry and ceremonial regalia. Long-distance trade routes brought exotic goods like macaws and copper bells from Mesoamerica, evidence of their far-reaching connections. Around the late 1200s, major settlements were mysteriously abandoned. Scholars suggest various causes: prolonged droughts, resource depletion, social upheaval, or religious transformation. Descendants of the Ancestral Puebloans include today’s Hopi, Zuni, and other Pueblo peoples, who continue many cultural traditions to this day.