The BEST episodes of History's Greatest Mysteries

Every episode of History's Greatest Mysteries ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of History's Greatest Mysteries!

Investigate a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Each program within the franchise will showcase fresh, new evidence and perspectives including never-before-released documents to the general public, personal diaries and DNA evidence to unearth brand-new information about these infamous and enigmatic chapters in history.

Last Updated: 11/12/2024Network: History ChannelStatus: Continuing
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The Black Dahlia
star
8.03
33 votes

#1 - The Black Dahlia

Season 4 - Episode 24 - Aired 8/7/2023

It's one of the most infamous crimes in American history: the gruesome murder of a young beauty, unsolved for decades. There's a long line of suspects, each more mysterious than the next. Can the questions surrounding one of history's most notorious unsolved cases finally be answered?

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The Mystery of Machu Picchu
star
7.84
44 votes

#2 - The Mystery of Machu Picchu

Season 5 - Episode 8 - Aired 3/25/2024

With 500-year-old secrets hidden in skeletons and stone, Machu Picchu is one of the most puzzling archaeological sites on earth. It's among the ancient world's most enduring riddles: Who built this astonishing complex, and why?

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Salem Witch Trials
star
7.82
22 votes

#3 - Salem Witch Trials

Season 5 - Episode 15 - Aired 7/15/2024

A notorious tragedy leads to one of the darkest chapters in early American history; in 1692, fear rips through the small town of Salem, Massachusetts; accusations fly and many people are put to death.

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The Sinking of the Titanic
star
7.78
27 votes

#4 - The Sinking of the Titanic

Season 5 - Episode 12 - Aired 6/24/2024

The Titanic's tragic story captures the imagination of the public and experts of all kinds, who, decades after the ship's demise, still seek answers; a look into new evidence that might reveal more about how and why the Titanic sank...

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The Hindenburg Disaster
star
7.70
27 votes

#5 - The Hindenburg Disaster

Season 5 - Episode 10 - Aired 6/10/2024

For decades, experts believed they knew what caused the Hindenburg disaster: that leaking hydrogen ignited--causing the airship to burst into flames. But there may be more to this story. Whatever triggered the explosion, it didn't just spell doom for the Hindenburg but for the entire rigid airship industry. What caused the Hindenburg Disaster?

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The Death of Bruce Lee
star
7.67
46 votes

#6 - The Death of Bruce Lee

Season 2 - Episode 3 - Aired 9/21/2021

On 20th July 1973, martial arts superstar Bruce Lee died under mysterious circumstances in Hong Kong. Bruce's brother, Robert Lee, was never satisfied with the official cause of death--a fatal reaction to aspirin. Now in the twilight of his life, Robert Lee has enlisted former Hong Kong police detective Philip Chan to comb through previously unseen documents, interview experts and talk to people close to the legendary superstar, in an attempt to revisit what or who killed the Bruce Lee. From legendary rooftop fights to feuds with alleged Triad members and producers, Chan's journey uncovers the surprising life of a complex superstar.

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The Search for Alexander the Great
star
7.62
26 votes

#7 - The Search for Alexander the Great

Season 5 - Episode 11 - Aired 6/17/2024

The story of the most celebrated warrior king in history still stirs fascination more than 2,000 years after his death. But the location of his body is the subject of much debate. When his remains suddenly disappear without a trace, a search across the ancient world ensues. What happened to the mummy of Alexander the Great?

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Escape from Alcatraz
star
7.60
40 votes

#8 - Escape from Alcatraz

Season 5 - Episode 6 - Aired 3/11/2024

A perfectly masterminded plot leads to one of the most brazen prison breaks in American history. With only a handful of clues left behind, the search for the infamous Alcatraz escapees continues to this day. But is it really possible they survived -- and if so, where did they go?

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The Lost Fortune of the Knights Templar
star
7.59
44 votes

#9 - The Lost Fortune of the Knights Templar

Season 5 - Episode 3 - Aired 2/12/2024

A look at what happened to the secret hoard of the Knights Templar, a treasure of gold, silver, gems and religious relics protected by a medieval religious order...

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The Hunt for Stolen Nazi Treasure
star
7.53
47 votes

#10 - The Hunt for Stolen Nazi Treasure

Season 4 - Episode 11 - Aired 4/24/2023

During World War Two, the Nazis stole vast amounts of art, gold, silver and currency, and stashed it across Europe; while some of the plunder has been recovered, much more is still missing nearly 80 years later.

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Havana Syndrome
star
7.53
47 votes

#11 - Havana Syndrome

Season 4 - Episode 18 - Aired 6/12/2023

In 2016 a mysterious illness strikes dozens of government officials in Cuba. Over the next few years, hundreds more are afflicted. But investigations raise more questions than answers about this bizarre epidemic. What is the true cause of the strange phenomenon known as "Havana Syndrome?"

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Unlocking the Secrets of Stone Henge
star
7.49
47 votes

#12 - Unlocking the Secrets of Stone Henge

Season 4 - Episode 16 - Aired 5/29/2023

It's one of the most famous prehistoric monuments on Earth -- a mysterious arrangement of stones that have adorned the English countryside for millennia; nobody knows how the landmark was built or why.

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Montezuma's Lost Treasure
star
7.49
39 votes

#13 - Montezuma's Lost Treasure

Season 5 - Episode 1 - Aired 1/29/2024

An Aztec king's glittering treasure vanishes into thin air, inspiring a 500-year search that spans continents; one of the greatest warriors of all-time amassed a vast horde believed to be worth more than $3 billion today...

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TWA Flight 800
star
7.46
46 votes

#14 - TWA Flight 800

Season 4 - Episode 21 - Aired 7/17/2023

In July 1996, one of the worst aviation disasters in American history leaves 230 people dead and countless questions unanswered; it's a tragedy that changes the aviation industry forever.

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The Lost Colony of Roanoke
star
7.42
53 votes

#15 - The Lost Colony of Roanoke

Season 4 - Episode 4 - Aired 2/20/2023

In 1587, a group of settlers land off the coast of North Carolina on Roanoke Island to establish the first English Colony in America. But only a few years later, the 115 men, women and children seemingly vanish without a trace, leaving only cryptic clues. The search to find out their fate has endured for over 400 years. Can new technology finally tell us what happened to the Lost Colony of Roanoke?

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Decoding the Mysterious Antikythera Mechanism
star
7.40
60 votes

#16 - Decoding the Mysterious Antikythera Mechanism

Season 4 - Episode 9 - Aired 3/27/2023

An ancient mechanical device found on a 2,000-year-old shipwreck has become known as the world's first computer. The machine is centuries more advanced than historians thought possible, but its origin and true purpose are shrouded in secrecy. Can modern technology finally unveil what the mysterious Antikythera Mechanism actually is?

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The Assassination of RFK
star
7.40
30 votes

#17 - The Assassination of RFK

Season 5 - Episode 14 - Aired 7/8/2024

Five years after John F. Kennedy is killed by gunshot, his brother Robert meets the same fate; an assassin's bullet again changes the course of history, and the latest clues in the case are riddled with inconsistencies.

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The Puzzling Pyramids of Egypt
star
7.40
48 votes

#18 - The Puzzling Pyramids of Egypt

Season 4 - Episode 10 - Aired 4/17/2023

Awe-inspiring and mysterious, the pyramids of Egypt are among the most significant wonders of the ancient world. More than 4,000 years old, they are among the most celebrated architectural marvels in the world. But no one fully understands how they were built, or why. Can we ever decipher the true purpose of Egypt’s astonishing pyramids?

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The Legend of the Lost Dutchman's Mine
star
7.39
33 votes

#19 - The Legend of the Lost Dutchman's Mine

Season 5 - Episode 13 - Aired 7/1/2024

The search for the most famous gold mine in the Old West has led many to perish in the pursuit of its elusive riches. Legend suggests the gold, and the land it's hidden on, are somehow cursed--yet treasure hunters still come to the Superstition Mountains looking for the hidden hoard. But where exactly is the Lost Dutchman's mine?

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Malaysia Flight 370
star
7.38
55 votes

#20 - Malaysia Flight 370

Season 3 - Episode 7 - Aired 4/11/2022

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.

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The Garden of Eden
star
7.37
43 votes

#21 - The Garden of Eden

Season 5 - Episode 2 - Aired 2/5/2024

Most people know it as the biblical birthplace of man -- the Garden of Eden; investigating if the Garden of Eden was just a story to explain human creation or if it was a real place...

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The Shroud of Turin
star
7.35
43 votes

#22 - The Shroud of Turin

Season 5 - Episode 4 - Aired 2/19/2024

The haunting image of the Shroud of Turin has captivated millions around the world; scientists and theologians are trying to figure out if the Shroud of Turin truly is an image of Jesus or something very different...

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The Battle of Los Angeles
star
7.35
46 votes

#23 - The Battle of Los Angeles

Season 5 - Episode 7 - Aired 3/18/2024

On February 24, 1942, less than three months after the Japanese bombed Pearl Harbor, military radar picks up what appears to be enemy aircraft over Los Angeles. Air raid sirens send citizens scrambling, as troops fire more than 1400 rounds of anti-aircraft artillery at the illusive targets. When the smoke clears, the incident is veiled in secrecy and lies. What exactly triggered the so-called Battle of Los Angeles?

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The Body on Somerton Beach
star
7.34
44 votes

#24 - The Body on Somerton Beach

Season 3 - Episode 4 - Aired 3/14/2022

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. It's a case that's obsessed an army of sleuths for over 70 years: Who is the Somerton Beach man, and how did he die?

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Who is the Zodiac Killer?
star
7.33
55 votes

#25 - Who is the Zodiac Killer?

Season 4 - Episode 2 - Aired 2/6/2023

In 1969, one of history's most elusive serial killers terrorizes Northern California. He taunts investigators with cryptic ciphers and clues, leaving police and the public questioning his identity for over 50 years. Can new evidence and technology finally crack his code? Who is the Zodiac Killer?

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