After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

The first home and studio that belonged to the famous architect.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

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

One of the last functioning antique elevators in Chicago.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

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

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

A lush green oasis in the middle of Chicago.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

A Bibliophile's Dream.

The 606 is a decade in the making.

Beloved bar home to musicians of all eras and reputations.

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

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.

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

A hidden oasis just north of Chicago's Chinatown.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

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.

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