Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

The largest ancient burial mound in Ohio.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

An abandoned asylum incorporated into a college campus.

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.

Deep scars on the earth left by the Ice Age.

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

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

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

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

Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.