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

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

The 606 is a decade in the making.

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

Home to a protest movement, a bombing, and a dramatic change in labor history.

An avant garde art museum at the University of Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

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

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

First planned industrial community in the United States.

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

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

Former meatpacking facility turned vertical farm and sustainable business complex.

The world's only known button museum.

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

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A Bibliophile's Dream.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

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

This shop for all your super spy needs hides an educational secret.

A lush green oasis in the middle of Chicago.

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

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.