This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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

These abandoned grain silos and tunnels are an urban exploration dream.

Internationally known record store and purveyor of "dusties."

The subtle science of a master molecular gastronomist.

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

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

A museum dedicated to the mysterious cryptid.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

The hidden jewel of Disneyland: a members only playground for the Disney elite.