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

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

Beloved bar home to musicians of all eras and reputations.

The world's only known button museum.

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

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

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

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

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

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.

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

A lush green oasis in the middle of Chicago.

Its buzzing collection honors vibrator history.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

A wartime promise becomes a shrine to Our Lady of Lourdes.

The Fun Farm weaves fairy tales, myths, and magic into a magnificent collection for visitors to explore.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

This bridge was constructed from the remains of the first Ferris wheel.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.