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

The secret skeleton of a murdered nun was discovered in this church basement, but the scandal doesn't end there.

The ruins of a former sanctuary for elite Aztec warriors.

A stone memorial erected for New Hampshire's only convicted witch.

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

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

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

The rock on which Moll Dyer was found frozen to death is said to still bear her handprint.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

The Home and murder site of the witch of Rehmeyers Hollow.

A prison-like structure guards the remains of a notorious Old West outlaw.

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

A lone grave is quietly tucked away in Kanawha Riflemen's Memorial Park.

A memorial honoring those who perished in one of the worst construction disasters in U.S. history.

This abandoned train tunnel has been the subject of countless ghost stories for years.