Secret Sea
Crabtree Nature Center, 3 Stover Rd, Barrington, IL 60010, United StatesSee fossils from ancient sea creatures who lived in the Chicago Region 400 million years ago. CONTACT: 847-381-6592 Crabtree.NatureCenter@cookcountyil.gov COST: Free
See fossils from ancient sea creatures who lived in the Chicago Region 400 million years ago. CONTACT: 847-381-6592 Crabtree.NatureCenter@cookcountyil.gov COST: Free