This unusually circular centenarian barn became a Route 66 icon.

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

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

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

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."

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

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

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

Nature's biggest mammal swims in landlocked Oklahoma.

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

This former mining town was named the most toxic town in America.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Home to Hollywood history and a very special salt crystal.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

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

Metal sculpture folk art lining the Kansas Highway.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

Massive still life just off the highway in Kansas.

Home of mutant livestock.

A statue high in a hill that represents how Buffalo Bill got his name.