Remnants of a storybook amusement park hidden behind a strip mall.

This abandoned amusement park was built on a site with a dark history.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

The loneliest island in New York.

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

Historic psychiatric asylum and most-filmed location in the Great White North.

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.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

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

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

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

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned 1920s school with a mysterious history.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

The highest point in Virginia can only be reached by passing through ponies and flowers.