The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

Legends surround this jagged rock formation in the New Mexico desert.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The kind of mixed-up place that drives archaeologists crazy.

A 60-room castle constructed by a horse-racing heir.

Eco-friendly island mansion.

An ancient cemetery with some historic bodies underfoot.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

A kitschy, creepy St. Louis mainstay.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Less a museum than a bizarre fantasy world created by artists and engineers.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

This Lady Liberty is the oldest replica of its kind outside the state of New York.

Peak named for an old man who liked to run in the nude.

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

This century-old roadside attraction is full of bizarre rock formations.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.