This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

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

One-layer pyramid in Indiana.

The only freestanding table rock formation east of the Mississippi.

Moonbows over Kentucky.

The remains of this visionary community can still be found much as it was a century ago.

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

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

Where beautiful signs live on forever.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

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.

A suspended garden, now gone, once hung in the middle of this abandoned church.

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

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

A small wall and marker are all that remain of this historic canal tunnel.

One of the few surviving "Wigwam"-themed motels.

The lynching and burial site of America's first train robbers.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

A local scoured more than 1,000 acres for stone to create his masterpiece.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

Unique tower has outlasted a takeover of the company.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.