This modest post office sits on the site of H.H. Holmes' famous murder castle.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Radical Bookstore and Community Space.

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

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.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

Haunted boulder in a front yard with a witch painted on it.

The macabre paintings created by famous suicide proponent Jack Kevorkian, or "Dr. Death."

A collection of full-size movie monsters opened to the public.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

"Try not to knock anything over!"

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

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

This historic Boston building has gone from personal estate to porn theater and back again.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.