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

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

An eccentric park and pool.

A military museum and library dedicated to the citizen soldier.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Former bath house turns gastropub.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

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

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

A hot dog stand where the heads are just as hot as the dogs.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

The 606 is a decade in the making.

First planned industrial community in the United States.

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

Beloved bar home to musicians of all eras and reputations.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

A display of magnificent stained glass windows is the first exhibit of its kind.

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

Cemetery featuring rare glass-fronted columbarium.