15. Wupatki National Monument (Arizona)
Nestled amid arid grasslands, Wupatki National Monument features vibrant red sandstone pueblos built by the Sinagua people following Sunset Crater’s eruption in the 11th century. The presence of a ballcourt and spacious community rooms points to Wupatki’s role as a vital regional hub for trade and gatherings. Exploring these ruins offers a window into ancient desert life. Discover more at Wupatki National Monument.
