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

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

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

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

A towering Art Deco movie palace made to look like a Mayan temple.

A monument to the art of slicing people open.

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

All of Chicago's wood-paved streets are long gone but two alleys remain.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

An eccentric park and pool.

Landmark Chicago building narrowly avoided destruction.

A Chicago Movie Palace Lost to Time.

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

Once an ornate movie theater remade by Catholic Charities.

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

The murals have transformed a residential alley into a vibrant drive-through gallery.

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

Internationally known record store and purveyor of "dusties."

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

Theater has had many different incarnations but has survived the ravages of time.

Where old school Polish Chicago and young hipster Chicago live side by side.

The faint remains of a Polish news empire still linger.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

A student designed this 3D-printed scale replica of the entire university campus.