A plaque memorializes the Boston location of one of the largest nightclub fires in history.

An unsolved murder victim's grave which may or may not contain her body.

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

Memorial dedicated to four citizens killed during a shooting spree prompted by a routine traffic stop.

Large Massachusetts museum dedicated to Armenian history and culture.

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

Only a shrine remains at the site of the catastrophic nightclub inferno that killed 100 Great White fans.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

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

Monument on the spot where in 1778, Bathsheba Spooner had her husband Joshua killed and dumped down his own well.

Massachusetts memorial to murder victim Elizabeth Short near the spot where she was born.

Birthplace of America's first documented serial killer.

The mansion home of author Edith Wharton.

The final resting place of the man who played the Invisible Man.

A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

The Boston square dedicated to the dark poet who was born nearby.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Final resting place of one of the classic authors of horror literature.

The eccentric mansion of one the most popular horror authors of modern times.

Final resting place of the author who wrote the ghost story "The Turn of the Screw," and his brother, the Harvard doctor and paranormal investigator.

The building that inspired Shirley Jackson's "The Haunting of Hill House."