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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Elvis's own personal tropical hideaway.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The only diamond mine in the world where you can keep what you find.

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

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

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.

One of America's first planned communities is preserved in a state park.

This small town bank is very aware of its name thank you very much.

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

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

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

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

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

A cave's rare beauty held a cavernous secret hidden underground.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum dedicated to the alleged Roswell Incident.