A perfectly preserved abandoned criminal asylum in South Australia.

A recently abandoned psych ward at the end of Sanatorium Road.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

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

The loneliest island in New York.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The decaying ruins of Wales' first asylum for the mentally ill.

A long abandoned hospital building on the outskirts of NYC.

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

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

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

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

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

An abandoned asylum where patients have been forgotten but their possessions remain.

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