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

The World's Largest Bull.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Cemetery featuring rare glass-fronted columbarium.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The subtle science of a master molecular gastronomist.

A hollow cement depiction of time's inexorable effect on the human body.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This shop for all your super spy needs hides an educational secret.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.