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HISTORY VAULT

A series of unexplained deaths near Chicago in 1982 starts a nationwide panic; the victims are connected by one frightening detail: cyanide-tainted capsules of Extra-Strength Tylenol; 40 years later, it remains an active FBI investigation.

History's Greatest Mysteries

The Chicago Tylenol Murders

UnexplJoin top investigators as they seek to uncover the truth behind some of the world’s greatest mysteries and cover-ups

UnXplained Zone

When the infant son of an aviation legend is snatched from his crib at home, it ignites a media firestorm; after a nationwide manhunt, the supposed culprit is brought to justice, but questions pop up on the investigation.

Lindbergh Baby Kidnapping

A spree of gruesome murders by Jack the Ripper shocks Victorian England -- and the world; the homicidal maniac's identity still remains a mystery.

Jack the Ripper

A medieval manuscript, which is filled with unidentifiable drawings and written in a secret language so complex that even the world's best code breakers can't crack, it has obsessed everyone from scholars to conspiracy theorists.

The Voynich Manuscript

On Christmas morning in 1945, five siblings vanish from their family home in West Virginia during a raging fire; despite the work of dozens of investigators and thousands of amateur sleuths, the mystery remains.

The Sodder Children Disappearance

One of the most chilling aviation mysteries in modern day: a Boeing 777, carrying 239 people, vanishes over the Indian Ocean; nearly a decade later, no one knows what really happened to Malaysia Flight 370.

Malaysia Flight 370

History - fascinating and exclusive programs on subjects ranging from American and world history to explorations of major events in politics, entertainment and social history.

History

It's a treasure coveted by everyone from Roman emperors to Adolf Hitler; a sacred object said to hold incredible powers of healing, resurrection and immortality, the Holy Grail is the most sought-after relic in the world.

The Holy Grail

After a series of dark and ominous events, an unassuming family home on Long Island becomes the most notorious house in America; 50 years later, it's spawned a title wave of books, documentaries, and films.

The Amityville Horror

As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach; there are no clues to his identity or what could have happened.

The Body on Somerton Beach

An infamous Cold War cold case involving nine hikers found mutilated on a remote mountain slope; for over 60 years, authorities and amateurs alike have been trying to figure out what happened in a place that's been called "Russia's Area 51."

The Dyatlov Pass Incident

A powerful union activist disappears from a Detroit suburb; 45 years later, it remains one of the most notorious missing person cases of all time; the mystery of Jimmy Hoffa's disappearance features more twists and turns than a Hollywood movie.

The Disappearance of Jimmy Hoffa

One of World War II's greatest unsolved mysteries: an incomparable work of art worth half a billion dollars, lost without a trace; perhaps the single most valuable object the Nazis ever stole, the quest for this treasure has lasted over 75 years.

The Amber Room

Using new evidence to look at some of the most historically important mysteries of recent times.

S3 E4 | The Body on Somerton Beach

E12 | The Chicago Tylenol Murders

E11 | Lindbergh Baby Kidnapping

E10 | Jack the Ripper

E9 | The Voynich Manuscript

E8 | The Sodder Children Disappearance

E7 | Malaysia Flight 370

E6 | The Holy Grail

E5 | The Amityville Horror

E4 | The Body on Somerton Beach

E3 | The Dyatlov Pass Incident

E2 | The Disappearance of Jimmy Hoffa

E1 | The Amber Room