An avant garde art museum at the University of Chicago.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

A lush green oasis in the middle of Chicago.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

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

Museum dedicated to the art of cutting and polishing stones.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

A sprawling outdoor museum filled with larger-than-life works of art.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

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

The NBA player's elaborate former home is now a ghost of its old glory.

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