Hocking Hills State Park.

Hocking Hills State Park-OHHocking Hills State Park-OH
Hocking Hills State Park is a non-contiguous state park in the Hocking Hills region of Hocking County, Ohio, United States; it is contiguous with the Hocking State Forest. Within the park are several spectacular features based around rock formations, including Old Man’s Cave, a narrow, deep gorge featuring waterfalls; Rock House, a cliffed area with a rock shelter; Cantwell Cliffs, a broad gorge at the head of a hollow with a unique stone stairway; and Ash Cave, a large rock shelter with a small waterfall, and Cedar Falls, a larger waterfall south of Old Man’s Cave.

 
Cedar Falls
The park is in five separate sections: Old Man’s Cave, Cedar Falls, Ash Cave, Cantwell Cliffs and Rock House.
Devil's Bathtub in Hocking Hills State Park near Logan, Ohio.Devil’s Bathtub in Hocking Hills State Park near Logan, Ohio.
Source: Hocking Hills State Park-OH