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

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

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

A Chicago Movie Palace Lost to Time.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

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

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

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

Illegal drag racing two stories beneath Chicago’s streets.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The 30,000-volume library is one of the world's most impressive poetry collections.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Where Cusack's record store from the film "High Fidelity" was located.

A hot dog stand where the heads are just as hot as the dogs.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

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

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

Years of archaeology, just chillin' by the water cooler.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

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

A gothic church spire sits atop this skyscraper, the tallest church in the world.

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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.