But there may be some ancient calendars much closer to home.
|Trails bring history|
For example, at the Fort Ancient state park, the Hopewell civilization created their own prehistoric calendar using earthen walls.
And now for the best part. These 2,000 year old calendars are located adjacent to the Little Miami Scenic Trail, about 30 miles from the southern terminus.
The Ohio Historical Society is offering a special morning tour at 7:30 on December 19.