Brachiopods and other fossils on the cave walls, older than dinosaurs, Koppus said. “These were created back when this part of Ohio was under water.” Tiny stalactites forming on the ceiling, a ...

Great Wolf Lodge in Sandusky and Cincinnati Great Wolf Lodge has two Ohio locations: Sandusky and Cincinnati. The indoor waterpark is set to 84 degrees year-round. The Sandusky park covers 33,000 ...

If you go: Seneca Caverns Where: 15248 E. Township Road 178, Bellevue, about 70 miles west of Cleveland, easily accessible from the Ohio Turnpike and Ohio 2.