Enormous lake at the bottom of a unique cave system.

Home of an evil witch famous within southern folklore.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

The charming collection celebrates a small Ohio village's Finnish roots.

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

The crash of this great airship signaled the beginning of the end for dirigibles.

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

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

In this relatively flat state the highest point is an honored place.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

A memorial for an outsider theorist who believed that the planet is actually hollow.

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

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

The largest ancient burial mound in Ohio.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

A real flying saucer, contracted by the U.S. Air Force.

This magnificent Cincinnati graveyard is also a popular public park.

What is it about mushrooms that makes people wish they lived inside of them?

Rare recess caves fill this unbelievably beautiful Ohio park.

Deep scars on the earth left by the Ice Age.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

An abandoned relic of the city's failed experiment with below ground transit.