The site of the worst mining disaster in Ohio's history.

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

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

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

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

Rare recess caves fill this unbelievably beautiful Ohio park.

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

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

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

The angel of death appears to weep black tears at this grave marker.

On a wall in Cleveland, Ohio find the story of a highly connected fictional community of organisms that created remarkable, lasting structures.

One of the largest collections of holy relics in the country.

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

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Hundreds of 19th-century characters descend upon an Ohio town every autumn.

All that remains of a gigantic earth-moving machine.

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

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