Once the smallest park in the national system.

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

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

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

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.

This classic Kansas City song reference is the place for anyone who wants to stand at the corner of 12th Street and Vine.

This recently restored timepiece has stood all around Kansas City.

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

This giant green head remembers one of America's jazz giants.

An adorably sweet display of sculpted Precious Moments figurines.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Community bookshelf of 25-foot-tall book spines.

Less a museum than a bizarre fantasy world created by artists and engineers.

In this rural town square, a unique statue honors the inventor of the microchip.

An artistically engineered dam designed to honor the relationship between humankind and nature.

In the heart of Little Sweden USA, a small gallery and museum pays tribute to a Swedish-born artist who fell in love with the American landscape.

Salina's eye-catching giant mural depicting children at play is painted atop a century-old mill elevator.

A former Army airfield is home to one of the largest aviation museums in America.

The ruins of the northernmost pueblo in the Americas tell the story of a mixing of native cultures.

This historic Ellinwood hotel is also home to underground tunnels that were a popular haunt during Prohibition.