This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

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

Hot Doug's "Hot Dog" Stand.

A lush green oasis in the middle of Chicago.

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

The 606 is a decade in the making.

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

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.

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

Honoring Italian greats from Joe DiMaggio to Rocky Marciano.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

These abandoned grain silos and tunnels are an urban exploration dream.

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

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

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

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

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

An avant garde art museum at the University of Chicago.

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

A hollow cement depiction of time's inexorable effect on the human body.

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