AAA Editor Notes
Toolesboro Mounds National Historic Landmark is on CR 99. One of the largest groupings in Iowa, these Hopewell burial mounds date from about 100 BC to AD 200. Visitor center displays detail four periods of human habitation along this site, starting 12,000 years ago.
Note: It is considered disrespectful to walk on the mounds.
Time: Allow 30 minutes minimum.