The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

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

Beautiful steampunk ghosts of early Massachusetts.

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

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

Three prestigious academic collections come together to create a world-class natural history museum.

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

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

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

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

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

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

These disused steel furnaces are now haunting ruins that may one day be a national park.

A gardener's enduring labor of love is spread throughout a small Vermont town.

A forest wonderland caused by Burlington, Vermont's aggressive southwestern winds.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

The remains of a deserted 1800s farming community can be found in Little River State Park.

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

New England's tallest light house stands on an island with a history of cannibalism and death.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

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

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

A whimsical monument deep in this park commemorates the groups that helped build it.