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

Where old school Polish Chicago and young hipster Chicago live side by side.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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

A river with some unusual, and occasionally dangerous, habits.

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

A beloved Chicago music venue offering cold beer and lots of “Friendly."

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

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

A European-style bath house in Chicago.

Cemetery featuring rare glass-fronted columbarium.

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

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Internationally known record store and purveyor of "dusties."

A lush green oasis in the middle of Chicago.

An enormous park-like oasis, full of famous Chicagoans' graves.

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

A monument to the art of slicing people open.

This large midwestern cavern features impressive rock formations and an underground waterfall.