Historical Marker
The Town Square / City Hall Site
Historical marker location:
50 S. Broadway, Lebanon, Ohio
( Marker is at the intersection of Broadway (U.S. 42) and Main Street, on the left when traveling south on Broadway.)
The Great Serpent Mound, located in Adams County, Ohio, is a prehistoric effigy mound in the shape of a serpent that is more than 1,300 feet long. It is one of the largest effigy mounds in the world and is estimated to have been built by the Adena culture more than 1,000 years ago.