Located six miles east of Bellefontaine on State Route 540, Zane Caverns feature illuminated two-level caves. The caves are known for the formation of “cave pearls”. There is a fee for admission.
Ohio Caverns, three miles east of West Liberty on State Route 245, is the largest of all Ohio caves. Exquisite crystal-white stalactite/stalagmite formations are found in great profusion and artistic settings. There is a fee for admission.
Piatt Castles, Mac-A-Cheek and Mac-O-Chee, are located near West Liberty on State Route 245. Built by the Piatt family after the Civil War, the houses are noted for their architecture, furnishings and collection of Indian relics
West of Indian Lake are Lake Loramie and Grand Lake St. Marys state parks. Both feature camping and water related recreation.
Northeast of the park are Killdeer Plains and Big Island wildlife areas operated by the Division of Wildlife. Both areas offer hunting and bird watching opportunities.
Gross Memorial Woods, a state nature preserve operated by the Division of Natural Areas and Preserves, is one of the least disturbed woods in west-central Ohio.