Illegal drag racing two stories beneath Chicago’s streets.

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

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

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

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

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

One of the last functioning antique elevators in Chicago.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

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

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

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

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

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

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

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

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

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

The 606 is a decade in the making.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

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.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.