Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A unique 3-D sculpture based on Rene Magritte’s “The Red Model.”

The largest interactive exhibition in the U.S. exploring human history through the lens of power, punishment, and psychology.

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

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

No one knows how many bodies are in this vault in a Chicago public park.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

The faint remains of a Polish news empire still linger.

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

Internationally known record store and purveyor of "dusties."

Take a walk on Minnesota’s last historic covered bridge.

With a 90-foot wingspan, the world’s largest loon sculpture stands outside Allianz Field.

From burial ground bocce ball court.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

An exotic wildlife habitat right off The Strip.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

These banned cigarette vending machines now sell little pieces of pocket-sized art.