These springs were once the source of a tourism boom to Sulphur Springs.

Nature's biggest mammal swims in landlocked Oklahoma.

An acoustic anomaly with a mysterious cause.

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

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

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

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

A small section of native wilderness on a university campus

The largest single-building tribal cultural center in the U.S. is an expansive museum in Oklahoma City.

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

This small museum inside a larger sports complex honors the first Native American to win an Olympic gold medal for the U.S., and his life of achievement and struggle.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

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

This unusually circular centenarian barn became a Route 66 icon.

Though it's no longer a functioning train depot, this castle-like structure is an important piece of Oklahoma history.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

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.

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

This giant mimetic milk bottle has encouraged Route 66 travelers to choose dairy since 1948.

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

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