A throwback train ride transports passengers through one of the lesser-known national parks in the country.

The only presidential monument to display a late POTUS's actual casket.

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

A grandiose title could not save this mercantile community from obscurity.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Landmark dedicated to the plight of the American Indian in the 21st century.

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

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.

The largest ancient burial mound in Ohio.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

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

A miniature world of concrete and stone in Springfield, Ohio.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

An abandoned asylum incorporated into a college campus.

Deep scars on the earth left by the Ice Age.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

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

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

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

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

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Faces carved into the cliffs create an otherworldly walking trail.