Where old school Polish Chicago and young hipster Chicago live side by side.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

This overgrown Illinois water park offers a whole new type of adventure.

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

Cemetery featuring rare glass-fronted columbarium.

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

Chicago's North Park Village was once the largest municipal sanatorium in the country.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

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

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

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

An antiquated German apothecary on Chicago's North Side.

A monument to the art of slicing people open.

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

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.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.