Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

This Moab institution functions as both a rock store and a small natural history museum.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Man-made geyser that rises to the exact height of the Gateway Arch.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Northern Kentucky’s very own Notre Dame showcases intricate stained glass and the bones of saints.

He’s not from around here.

A shop for all your magical needs and notions.

Where beautiful signs live on forever.

This magnificent Cincinnati graveyard is also a popular public park.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Community bookshelf of 25-foot-tall book spines.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The largest earthwork effigy in the world.

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."