This colorful monument commemorates a little-known story from the life of Abraham Lincoln.

The Quapaw tribe supplies the meat and produce in this Oklahoma casino restaurant.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

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

When you can afford only half a road, you build only half a road.

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

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

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

Nature's biggest mammal swims in landlocked Oklahoma.

A Google software engineer's Easter egg led to what may be the world's most unusual saved screenshot.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

An acoustic anomaly with a mysterious cause.

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

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

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.

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

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

A Museum of Holography frozen in 1974.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A science teacher's dream.

A monument to the art of slicing people open.