One of the best examples of Art Deco architecture in the United States.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

An acoustic anomaly with a mysterious cause.

A half-size replica of the World Trade Center towers above Tulsa.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

A piece of outsider public art accompanied by a strange urban legend.

A 30-foot-tall cement chair pays tribute to a historic design and a local industry.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Behind the Cowboy Hall of Fame is a burial ground for good horses and a famed rodeo bull.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

This sweet Southern elixir comes from what may be the oldest grape vine in North America.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

The longest-covered bridge in the state of Maryland.

Yo, Adrian!

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

World Trade Center memorial likened to a woman's sexual organ.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.