You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

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

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.

A speakeasy takes on Chicago's drinking culture.

Hot Doug's "Hot Dog" Stand.

A science teacher's dream.

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

A large circus museum with summer performances.

A bizarre house filled with an astounding array of collections.