Hot Doug's "Hot Dog" Stand.

The palatial McDonald's that inspired Wesley Willis.

A display of magnificent stained glass windows is the first exhibit of its kind.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

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

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.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

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

Theater has had many different incarnations but has survived the ravages of time.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Illegal drag racing two stories beneath Chicago’s streets.

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

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.

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

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.