A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

An oil baron's wild paradise and the winner of an ill-fated air race.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

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

Circus cemetery for all the “showmen under God’s big top.”

Nature's biggest mammal swims in landlocked Oklahoma.

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

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

An acoustic anomaly with a mysterious cause.

A half-size replica of the World Trade Center towers above Tulsa.

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

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

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

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

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

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

Home to the story of the outlaw turned funhouse mummy, Elmer McCurdy.

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

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

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

This unusually circular centenarian barn became a Route 66 icon.