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

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

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

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

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

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

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

This modest post office sits on the site of H.H. Holmes' famous murder castle.

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

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

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

A hollow cement depiction of time's inexorable effect on the human body.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A monument to the art of slicing people open.

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

The last remaining vestige of a popular 1999 public art display.

A lush green oasis in the middle of Chicago.