The sign to a demolished amusement park now stands in front of a local library.

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

Huge abstract sculptures of the Puerto Rican Flag.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

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

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

No one knows how many bodies are in this vault in a Chicago public park.

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.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

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

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

A beloved Chicago music venue offering cold beer and lots of “Friendly."

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

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

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.