This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.

This pristinely abandoned filling station on the edge of a graveyard is populated solely by unsettling mannequins.

Like Stonehenge, but with boats and oodles more charm.

The iconic remains of the original Academic Hall that burned down in 1892.

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

You thought Santa Claus didn't exist, but it turns out you were wrong.

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

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A blacklight journey through a celestial art exhibit.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

An eerie smiling woman looms above the granite tombstones.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

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