Site of a famous 19th-century transcendentalist utopian community, now abandoned.

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

The headquarters in Salem doubles as an occult art gallery.

An eccentric inventor's castle home with its own indoor weather system.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A beautiful Victorian-era cemetery, complete with a miniature village.

World's largest collection of serial killer artwork and other macabre exhibits.

This historic folk museum celebrates the attention to detail that makes America great.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

Toxic waste disaster that founded the Superfund program.

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

This once luxurious Catskills resort is now a haunting ruin.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

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

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

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

An abandoned tuberculosis hospital moulders on into an uncertain future.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

Faces carved into the cliffs create an otherworldly walking trail.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

One man's swirling six-acre monument of stone.

A once grand hotel is being retaken by the wilderness it once capitalized on.