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

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

An unassuming store hides relics of its former life as the jazz club that hosted some of the best black performers of the 1920s and '30s.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

A Museum of Holography frozen in 1974.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

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

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

Honoring Italian greats from Joe DiMaggio to Rocky Marciano.

Where dioramas can follow you home.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

A bloodstain from "the wound of the transverberation of the heart."

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

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 small, but long-running hobby club has built one of the largest model rail lines in the US.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

Former bath house turns gastropub.

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

These mansions date back to Chicago's days as a brewer's paradise.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

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

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