This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An emerald-green grotto just a short trip from Austin.

This 19th century Sioux City candy company is the home of the Twin Bing, a historic, chocolate-covered treat.

Most comprehensive museum in America devoted to one ethnic group.

No one knows the origin of this small town’s unique name.

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

This massive Art Deco-inspired mural was the world's largest augmented reality artwork at the time of its completion.

An Oklahoma museum that celebrates the history of the "Mother Road."

When you can afford only half a road, you build only half a road.

This unusually circular centenarian barn became a Route 66 icon.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

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

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

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

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

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

Nature's biggest mammal swims in landlocked Oklahoma.

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

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

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

At this research institute, the chile is king.

This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

The state bird of New Mexico, constructed entirely out of garbage.