Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

Both funky and traditional, it's the oldest of its kind in Indiana.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

A hollow cement depiction of time's inexorable effect on the human body.

This unincorporated community in western Ohio got its peculiar name from John "Daddy" Baker.

Once known as the Illinois Asylum for the Incurable Insane.

Indiana's shrine to the sport that has become a hallmark of their culture.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

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

One person's lost luggage is another person's treasure.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

The world's third-largest scale model of the planets.

The world's longest known cave system.