This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

A sprawling outdoor museum filled with larger-than-life works of art.

This cemetery is all that remains of a school for "wayward" girls.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

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

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

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

Former meatpacking facility turned vertical farm and sustainable business complex.

An unassuming store hides relics of its former life as the jazz club that hosted some of the best black performers of the 1920s and '30s.

The sign to a demolished amusement park now stands in front of a local library.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

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

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

A Museum of Holography frozen in 1974.

A century-old network of freight tunnels underneath the city's historic business district.

A Chicago Movie Palace Lost to Time.

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

One of the last functioning antique elevators in Chicago.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

Cemetery featuring rare glass-fronted columbarium.

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

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