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

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

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

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

A museum that houses the world's largest collection of ventriloquism dummies.

A key producer of charcoal iron in the early 1800s, the structure still stands today.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

Origin of the blue-skinned Fugates of eastern Kentucky.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This calm grassy field was once a Superfund site full of thousands of nasty chemicals.