America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

A museum dedicated exclusively to the lore and history of ouija boards.

The headquarters in Salem doubles as an occult art gallery.

Friction between grains of sand cause a curious "singing" sound.

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

35,000 grape hyacinths flow like water down a garden hill.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The lost town of Neversink, sunk by New York City.

This mouldering abandoned mental hospital was once a center for progressive healing.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

The largest known open fault in the United States is basically a giant natural refrigerator.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

An abandoned castle owned and ignored by Masons carries a cursed history.

Site of the first pathological and bacteriological research facility in the United States.

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

Historical figures from New York City's Catholic community reside in Midtown.

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

Nature and beauty amidst pollution and industrial wreckage.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.