United States Committee of the International Council on Monuments and Sites Cahokia Mounds World Heritage Site: Past, Present, and Future Cahokia Mounds World Heritage Site, located in Collinsville, Illinois, is the pre-eminent example of a cultural, religious, and economic center of the Mississippian culture (800–1350), which extended throughout the Mississippi Valley and the southeastern United
Every year, Congress makes decisions that impact our national parks and public lands… and these decisions impact you. We need your help to reach out to members of Congress and advocate for these precious resources. Not sure where to start? We’ve got you covered. We put together an advocacy toolkit to help you reach out to policymakers and join in the fight to protect our parks.