This now-deactivated naval base defended the Florida coast for centuries.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

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

This bridge uses an inverted bowstring truss and is believed to be the only of its kind in the United States.

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

The 25th President's marble casket can be visited in this classical Ohio tomb.

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

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.

In this relatively flat state the highest point is an honored place.

Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

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

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

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

An abandoned asylum incorporated into a college campus.

Ohio's 19th-century communist micro-society.

The oldest remaining authentic Putt-Putt course that Donald Clayton created in Ohio.

When a guy acquired a free church, he hauled it away piece-by-piece to make it the tasting hall at his vineyard.

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

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

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