A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Once an ornate movie theater remade by Catholic Charities.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Huge abstract sculptures of the Puerto Rican Flag.

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

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

Illegal drag racing two stories beneath Chicago’s streets.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

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

Orthodox church partially financed by Tsar Nicolas II.

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

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

Former bath house turns gastropub.

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

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

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

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

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

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