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

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

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

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

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

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.

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

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

An art deco ice cream shop covered in vintage train station tiles.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Rare recess caves fill this unbelievably beautiful Ohio park.

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

An abandoned church gets a second life as a massive beer hall and event space.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

The land is home to swimming ponies and a legendary 18th-century treasure.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.