An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

This schoolhouse for Black American children is one of the oldest remaining in southeastern Ohio.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

For decades, this waterfall remained hidden because of an artificial dam.

Ohio's 19th-century communist micro-society.

Superfans of The Shawshank Redemption can take a driving tour of most of the films real locations.

The final resting place of the most famous sharpshooter.

The ruins of the suspension bridge hang over Kingsbury Run as a ghost of racial prejudice.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

An art deco ice cream shop covered in vintage train station tiles.