Serpent Mound

The world’s largest extant snake effigy runs for roughly a quarter-mile near what is now the southern border of Ohio.

Creators: Indigenous peoples of North America

Date of Creation: Approximately 0 – 100 CE.

Place of origin: What is now Adams County in southern Ohio in the United States of America.

Physical measurements: Approximately 1,348 feet long, 3 – 4 feet high

Materials: Rock and soil

Process by which it was made: Heaping and packing earth

Current location: Serpent Mound State Memorial, managed by the Ohio History Connection (formerly the Ohio Historical Society).


Information contributed by Chadwick Allen.