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

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

These pretty kitties killed and ate as many as 135 railway workers.

Cemetery featuring rare glass-fronted columbarium.

A Museum of Holography frozen in 1974.

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

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

The subtle science of a master molecular gastronomist.

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

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

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

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.