A Google software engineer's Easter egg led to what may be the world's most unusual saved screenshot.

This unusual sculpture honors the city's namesake, Octave Chanute, for his pioneering work in early aviation.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A sharp bend in a dramatic river canyon cut through red rocks.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The largest self-built castle in the U.S., six decades in the making.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

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

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

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.

Nature's biggest mammal swims in landlocked Oklahoma.

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

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

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

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

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

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

Tulsa's historic skyscrapers define the oil boom era of Art Deco construction, and are known for their ornate arched lobbies.

In Tulsa's Oil Capital historic district, even the bus station is "fauxback" Art Deco.