A miraculous natural phenomenon known as "the spring that breathes."

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

Native Americans built this circle of stones, which was used to predict astronomical events.

On a college campus in the Oklahoma panhandle a museum honors the last piece of the contiguous United States to be classified as No Man's Land.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

No matter what the plaque under this massive legume says, this is not the world's largest peanut.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

Over 50 historic windmills whir away at this outdoor museum.

The largest land animal skull ever discovered.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

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

A museum devoted to osteopathy and its creator, Andrew Still.

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

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

This 40-foot fowl marks the so-called "wild goose capital of the world."

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

This pristinely abandoned filling station on the edge of a graveyard is populated solely by unsettling mannequins.

A big museum full of little worlds.

A chessmaster's dream destination.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A museum dedicated to man's boldest venture.

European castle ruins in an American state park are actually the product of death and grief.

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

An impressive collection of farm equipment and other artifacts from life on the prairie.