World's smallest skyscraper, the product of a remarkable con.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

Over 50 historic windmills whir away at this outdoor museum.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

The world's only museum devoted solely to the art and collection of action figures.

This highway overpass was named after the tragic disappearance of a young mother who got mixed up with the wrong people.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

A larger-than-life monument to the overlooked women who braved Western expansion and broke down societal barriers.

These massive mitts are made of 30 tons of devotional bronze.

An acoustic anomaly with a mysterious cause.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Built from oil field parts and resembling a teepee, this abandoned mid-century church is hoping for a comeback.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

The largest land animal skull ever discovered.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

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.

Come for the speed, leave in love with the desert.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

Successful artist residence program has filled this ranch with dozens of sculptures over the years.