This family driveway also serves as the highest point in Illinois.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

Tucked away amongst townhomes lies a restored, early 20th-century tea house and garden, the only remains of a historic estate.

Where a brain, a beauty, a jock, a rebel, and a recluse met one Saturday and changed their lives forever.

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

This lush 12-acre site was once named the finest Japanese garden in North America.

This cemetery is all that remains of a school for "wayward" girls.

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

A historic and oft-filmed prison stands in a Chicago suburb.

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

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

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

Illegal drag racing two stories beneath Chicago’s streets.

World's second largest particle accelerator, where nature reveals its secrets.

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

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

Home to a protest movement, a bombing, and a dramatic change in labor history.

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

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

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

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

First planned industrial community in the United States.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.