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

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

Pizza with a side of fine art.

Former bath house turns gastropub.

Beloved bar home to musicians of all eras and reputations.

Hidden on the seventh floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

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

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Illegal drag racing two stories beneath Chicago’s streets.

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

A lush green oasis in the middle of Chicago.

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

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

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

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

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

To find the "unicorns of the deep" you've got to go downstairs.

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

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

This historic hotel invented the chocolate brownie.

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

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.