8. Great Serpent Effigy (Iowa)
At Effigy Mounds National Monument in Iowa, visitors encounter a landscape dotted with remarkable animal-shaped earthworks. Among these, the Great Bear and bird mounds stand out, crafted by Native American cultures for burial and ceremonial purposes. Comparable in intrigue to Ohio’s Serpent Mound, these effigies offer insight into spiritual beliefs and ancient artistry. For more on these fascinating earthworks, visit Effigy Mounds National Monument.
