Decorative shell walls built in the 1940s sit atop an ancient midden created by the Calusa Native Americans.

Georgia may have been on his mind, but this memorial in Florida shows that Greenville was really Ray Charles's childhood home.

Florida's first suspension bridge.

This small beachside park commemorates the possibilities of discovery.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Hundreds of skulls and bones at the largest skeleton museum in the country.

This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

The grave of Mary Nasson is shrouded by witchy legends.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The eccentric mansion of one the most popular horror authors of modern times.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

An unsolved murder victim's grave which may or may not contain her body.

This 19th century granite fortification is one of the most well preserved forts in New England.

The first bridge observation tower in the U.S. offers one of the best views of Maine.