The sign to a demolished amusement park now stands in front of a local library.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

Tucked away amongst townhomes lies a restored, early 20th-century tea house and garden, the only remains of a historic estate.

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

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

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.

Take a break from all the boring business of death at this funeral home mini-golf course.

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

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

Cold War missile launch site which has been converted to a public park.

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

World's second largest particle accelerator, where nature reveals its secrets.

Where Cusack's record store from the film "High Fidelity" was located.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

An avant garde art museum at the University of Chicago.

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

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

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

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

Beloved bar home to musicians of all eras and reputations.

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

This historic hotel invented the chocolate brownie.

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