The rodent-shaped sidewalk imprint that earned worldwide media attention.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

No one knows how many bodies are in this vault in a Chicago public park.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

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

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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

Cemetery featuring rare glass-fronted columbarium.

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

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

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

This historic hotel invented the chocolate brownie.

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

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.

An enormous park-like oasis, full of famous Chicagoans' graves.

An antiquated German apothecary on Chicago's North Side.

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

An elaborate memorial to a man local legend says died of a broken heart.