Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

An ode to "The Queen of Appalachia."

A roadside music shop featuring a confounding series of folk art installations.

Once a gas station, this flightless airplane beside the Old Dixie Highway now houses a barbershop.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A unique outdoor timepiece at a "clothing-optional" resort.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

One of the few working locomotive roundhouses in the United States.

The only surviving prototype for Buckminster Fuller's house of the future.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district

One man's attempt to create an artistic wonder on a run-down block in Detroit.

Millions of dollars worth of sculpture decorate this Iowa city center.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This water tower has been a staple of the Rochester skyline since 1931.

Ever wanted to can Spam?

This massive roadside mascot was the first version of the giant to illustrate his butt.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

Experience a charming 1930's version of "infotainment."