A European-style bath house in Chicago.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

A display of magnificent stained glass windows is the first exhibit of its kind.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

Former bath house turns gastropub.

One of the last functioning antique elevators in Chicago.

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

These mansions date back to Chicago's days as a brewer's paradise.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

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

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

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

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

A hot dog stand where the heads are just as hot as the dogs.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

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

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

Years of archaeology, just chillin' by the water cooler.