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

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

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Illegal drag racing two stories beneath Chicago’s streets.

The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

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

The palatial McDonald's that inspired Wesley Willis.

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

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

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

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

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans’ graves.

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A historic 1929 art-house cinema that features independent, classic, cult, and foreign films in an atmospheric setting.

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

A lush green oasis in the middle of Chicago.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

The first home and studio that belonged to the famous architect.

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

Chicago’s incendiary role in the labor movement.