The only museum in the world dedicated to the history of sprint car racing, next to one of the country's most historic dirt tracks.

Eight feet in diameter and more than 24 feet around.

Millions of dollars worth of sculpture decorate this Iowa city center.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Collection maintained by the legendary designer.

A small section of native wilderness on a university campus

After being abandoned for decades, Oklahoma’s first air-conditioned theatre was reborn in the new century.

Claims to be the "World's Highest Hill."

The largest collection of political commercials in the world.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

Circus cemetery for all the “showmen under God’s big top.”

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

An acoustic anomaly with a mysterious cause.

World's largest collection of serial killer artwork and other macabre exhibits.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.