An incarceration museum on the spot of possibly the oldest prison in England.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

The final resting place of the world's first nuclear reactor.

A historic and oft-filmed prison stands in a Chicago suburb.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

A Museum of Holography frozen in 1974.

A century-old network of freight tunnels underneath the city's historic business district.

Once an ornate movie theater remade by Catholic Charities.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

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

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

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

Orthodox church partially financed by Tsar Nicolas II.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

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

A chance to follow in the footsteps of the word's most legendary animator.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

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.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.