14. Hopewell Culture National Historical Park (Ohio)
Hopewell Culture National Historical Park protects the remarkable ceremonial earthworks of the ancient Hopewell culture, constructed between 200 BCE and 500 CE. Visitors can explore impressive geometric mounds and embankments, which reflect the spiritual beliefs and sophisticated artistry of their builders. Museum exhibits further illuminate the daily life, craftsmanship, and ceremonial traditions of one of North America’s most influential prehistoric cultures. Learn more
