Mound City Group
Twenty-three mounds, with a visitor center and museum.
Hopewell Ceremonial Earthworks
Geometric earthworks built about 2,000 years ago in Ohio, aligned with the moon. World Heritage since 2023.
Native people built perfect circles and octagons, some aligned to an 18.6-year lunar cycle. The sites include Newark's Great Circle and Octagon, and the Mound City group at Chillicothe, a national historical park.
- Best Time
- May–October
- Time Needed
- 1 day
- Cost Level
- $$$$
- Open
- Check before you go; hours vary by season
- Getting There
- Both are about an hour from Columbus, Ohio.
What to See
2 of 2 are freeNewark Great Circle
A vast circle of earth you can walk around.
Know Before You Go
- The Octagon had been a golf course until recently; check public access.
Where to Stay
Stay in Columbus or Chillicothe.
Where to Eat
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Last checked 2026-11-02. Part of the Midwest list.