This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

This freshwater spring fills with 10,000 gallons of water per minute.

The palatial McDonald's that inspired Wesley Willis.

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

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

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

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

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

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

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

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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

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

First planned industrial community in the United States.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A science teacher's dream.

A speakeasy takes on Chicago's drinking culture.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.