This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

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

An adorably sweet display of sculpted Precious Moments figurines.

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

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

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

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Nature's biggest mammal swims in landlocked Oklahoma.

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

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

The storied steakhouse is the last in a long line of Lebanese-owned supper clubs in Tulsa.

This unusually circular centenarian barn became a Route 66 icon.

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

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

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

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

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.

An acoustic anomaly with a mysterious cause.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.