The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This shallow cave got its name from copious amount of human bones found inside.

An abandoned town is hidden in Great Smoky Mountains National Park.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Take a drunken tour inside the world's largest known geode.

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.

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

This magnificent Cincinnati graveyard is also a popular public park.

What is it about mushrooms that makes people wish they lived inside of them?

An art deco ice cream shop covered in vintage tiles.

Island where motor vehicles are banned -- home to the only carless highway in the United States.