Cahokia Mounds State Historic Site
2200-acre tract preserving the remnants of the ancient Mississippian's central city, now situated between St. Louis, Missouri, and Collinsville, Illinois.
Illinois Association of Park Districts
Nonprofit service, research and education organization that represents park districts, forest preserves, conservation and recreation agencies.
Illinois Prairie Path
55-mile-long biking, hiking, jogging, equestrian, and nature trail in Cook, DuPage and Kane Counties.