The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

Home to a protest movement, a bombing, and a dramatic change in labor history.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

The Painted Ladies of Ontario aren’t your average beach homes.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

At this research institute, the chile is king.

Check out a hidden collection of vintage neon signs.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

Catch two 18-foot-tall ranchers mid-brawl as you drive by on Highway 285.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

The head of a legendary creature allegedly killed during colonial times is now on display at a local restaurant.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.