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

See where Bill Murray kidnapped a hapless Punxsutawney Phil.

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

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

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

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

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

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

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

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

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

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