Orthodox church partially financed by Tsar Nicolas II.

Illegal drag racing two stories beneath Chicago’s streets.

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

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

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

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

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

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.

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

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

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

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

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

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

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

These pretty kitties killed and ate as many as 135 railway workers.

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

Cemetery featuring rare glass-fronted columbarium.

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

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

This historic hotel invented the chocolate brownie.

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