Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

A Museum of Holography frozen in 1974.

Once an ornate movie theater remade by Catholic Charities.

Where dioramas can follow you home.

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

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.

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

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

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

An eccentric park and pool.

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

One of the last functioning antique elevators in Chicago.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

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

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Former meatpacking facility turned vertical farm and sustainable business complex.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Cemetery featuring rare glass-fronted columbarium.

A science teacher's dream.