Adams County, Ohio
Serpent Mound (Burial site)
[Map · Street View] 5 mi. NW of Locust Grove on OH 73, Locust Grove, OhioAlso known as: Great Serpent Mound State Memorial
The Ridge (House)
[Map] 503 E. 8th St., Manchester, OhioAlso known as: Ellison House
Treber Inn (House)
[Map] 5 mi. NE of West Union on OH 41, West Union, Ohio