G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

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

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

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

Theater has had many different incarnations but has survived the ravages of time.

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.

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

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

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

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

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 iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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.

Combination beer garden and music venue in the heart of Wicker Park.

The beloved home to all publications indie, erotic, and punky.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

These abandoned grain silos and tunnels are an urban exploration dream.

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

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

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.