Casa Grande Ruins is a national monument located in Arizona, preserving the remains of an ancient Native American community. The site features a large adobe structure, known as the Casa Grande, which was built by the Hohokam people around the 13th century. This impressive building showcases the architectural skills and cultural practices of the time. The monument also includes other smaller structures and a visitor center that provides educational resources about the Hohokam civilization. Casa Grande Ruins is an important archaeological site, offering insights into the lives of the people who inhabited the region long before European contact.