Years of archaeology, just chillin' by the water cooler.

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

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

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

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

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The last remaining vestige of a popular 1999 public art display.

This historic hotel invented the chocolate brownie.

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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

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

Illegal drag racing two stories beneath Chicago’s streets.

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

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

The palatial McDonald's that inspired Wesley Willis.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

The subtle science of a master molecular gastronomist.

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

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