This unique zoo is the only place in the world where you can see all 15 species of crane.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

First planned industrial community in the United States.

Also known as the Osaka Garden, this garden was originally built in 1893 as part of the World's Columbian Exposition.

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

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

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

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

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

How did a 2,000-year-old Roman column find its way to a Chicago park?

This awkward aquarium sculpture is one of the strangest statues in Chicago.

To find the "unicorns of the deep" you've got to go downstairs.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

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

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Illegal drag racing two stories beneath Chicago’s streets.

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

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

A lush green oasis in the middle of Chicago.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.