Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

A six-story-tall golden pyramid, surrounded by a moat.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

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

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

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

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

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

A chance to follow in the footsteps of the word's most legendary animator.

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

Where dioramas can follow you home.

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

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

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

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

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

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

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

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

A one-armed veteran of the Battle of Waterloo lies in a cemetery for one in the middle of a Chicago scrapyard.

The faint remains of a Polish news empire still linger.