The largest earthwork effigy in the world.

One of Cincinnati's greatest fighters once trained at a now defunct gym in this Over-The-Rhine neighborhood.

The oldest brick house in the state of Ohio.

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

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

A circle of giant painted vases in the former pottery capital of the United States.

One of the last few period-correct, hand-operated canal locks in the country.

This stately clubhouse has showcased German-American culture for over a century.

The oldest experimental corn field in America is still creating better ways to grow crops.

This historic lavatory leftover features two levels of defecation stations completely without context.

This folk art wall claims to be the world's one and only memorial to the bygone age of hippies.

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

This small-town park in southern Illinois has a 1,000,000-gallon swimming pool and a 100,000-barrel oil well.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

One of the last active volcanoes on the Eastern seaboard.

Over 200 people were buried here with only a small stone to mark their final resting place.

This replica of the Greek structure is in the heart of Nashville.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

One Confederate statue that accurately reflects the ugliness of its subject.