This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

Ruins of a once-opulent grand Victorian resort.

A collection of beautiful crystals shaped like freshly plucked roses.

The only remaining sod house Oklahoma built by a homesteader in 1894.

Once the smallest park in the national system.

Claims to be the "World's Highest Hill."

Come for the fried chicken, stay for the history at Oklahoma's oldest bar.

Located along historic Route 66, this former gas station has been restored and converted into a museum filled with vintage motorcycles.

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

Its incredible collection preserves 170 years of sewing machine history.

Collection maintained by the legendary designer.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

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

It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

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

Dad jokes and wordplay abound in this comic fake cemetery.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

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

A museum and apothecary garden devoted to the history of frontier medicine.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

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

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

Over 50 historic windmills whir away at this outdoor museum.

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