A century-old network of freight tunnels underneath the city's historic business district.

These murals have been brightening a Chicago beach for more than 30 years.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

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

This art gallery and oddities boutique bewitches visitors with a trove of occult trinkets and eccentric antiques, work by an ever-changing roster of underground artists, and classes in tarot and other mystic arts.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

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

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

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

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

A small Chicago museum filled with thousands of preserved butterflies, beetles, and more.

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

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

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

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

Illegal drag racing two stories beneath Chicago’s streets.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

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

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

Former bath house turns gastropub.

One of the last functioning antique elevators in Chicago.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.