This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

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

An antiquated German apothecary on Chicago's North Side.

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

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

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

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

A lush green oasis in the middle of Chicago.

One of the last functioning antique elevators in Chicago.

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

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

Parking lot where a Chicago mayor was inaugurated under very sketchy circumstances.

The subtle science of a master molecular gastronomist.

Huge abstract sculptures of the Puerto Rican Flag.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

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

Internationally known record store and purveyor of "dusties."

The faint remains of a Polish news empire still linger.

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

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

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

This historic hotel invented the chocolate brownie.