Onondaga Cave State Park

Hours: The park is open year-round for camping and day use. From March-Oct., the visitor center is open daily from 9 a.m.-5 p.m. The gates are closed from 11 p.m.-7 a.m. During November the visitor center is open 10 a.m.-4 p.m. Wed.-Sun. From Dec.-Feb., the visitor center is closed, and cave tours aren't offered from Nov.-Feb.

Missouri's natural beauty doesn't just lie above ground. Beneath its surface lies more than 5,500 caves and some of the state's most scenic natural wonders, some of which are at Onondaga.