The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

This decrepit abandoned building is made all the more eerie by its dark history.

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

One of the most scenic falls in Massachusetts has a history of death and grim legend.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

This 50-foot rock formation looked like a face that was once believed to be that of a Native American chief.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

A 19th-century smallpox cemetery is being reclaimed by scrub forest and sand dunes.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.