This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

This shell of a historic manor house on the Isle of Wight is said to be the most haunted site on the island.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

This abandoned prison castle has become an imposing gallery of graffiti art.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.