This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

This historic cliffside mansion uses a natural cave for air conditioning.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

An unassuming 13-acre park is home to over 12,000 roses.

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

This underground holding cell was forgotten for over a century and rediscovered in the 1960s.

This crescent-shaped sliver of sand is a magical haven for a herd of feral horses.

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

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

This restaurant proudly displays bread signed by the 39th president.

The mounds at this site were reconstructed with the help of archaeologists and historians.

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

The remains of a massive blast furnace in what was once one of the country's largest iron-producing regions.

This park pays homage to the region's rich industrial history of brick making.

A rare particle accelerator with a tremendous energy range is tucked away at Ohio University.

A ghost town that was wiped out by a flood in 1940.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

This former tuberculosis treatment facility now stands at the center of a public park.

The spectacular collection of one of the world's best woodcarvers.