The only arched bridge made of stone on the entire Mississippi River.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

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

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Combination beer garden and music venue in the heart of Wicker Park.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

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

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

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

The face of a woman pushes its way through the earth.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Grand opera on a miniature scale.

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.