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.
#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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#2 - 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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#3 - 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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#4 - The Lost Pirate Treasure of Jean Lafitte
Season 6 - Episode 18 - Aired 8/4/2025
One of the most infamous pirates to prowl America's Gulf Coast--Jean Lafitte--led what may have been the largest pirate fleet in the world. Known as "The Terror of the Gulf" he was more than a pirate... he was a crime boss, rich beyond belief, and just as ruthless. But the whereabouts of Jean Lafitte's treasure remain unknown. The swamps and bayous were his base, and likely also his hiding place. But treasure hunters have found very little of Lafitte's stash.
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#5 - 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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#6 - 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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#7 - 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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#8 - The Secrets of Easter Island
Season 6 - Episode 19 - Aired 8/11/2025
The gigantic statues of Easter Island have mystified humanity for centuries; how in the world did an ancient civilization, with only primitive tools, carve and then move thousands of these rock monuments around the island, and why? History's Greatest Mysteries
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#9 - 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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#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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#11 - The Death and Fortune of Pablo Escobar
Season 6 - Episode 6 - Aired 3/10/2025
Pablo Escobar, the narco-trafficker who single-handedly supplied most of America's cocaine in the 1980s, had billions of dollars in cash; by the time he was gunned down in 1993, it's believed he was worth over $50 billion in today's money.
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#12 - The Killing of Bugsy Siegel
Season 6 - Episode 15 - Aired 7/14/2025
It's one of the most infamous and unsolved mob murders--notorious mobster Bugsy Siegel is gunned down in his Beverly Hills living room. Although Siegel's killing becomes front page news, no arrest is ever made. Bugsy Siegel made a lot of enemies across the country, but who killed him, and why?
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#14 - 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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#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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#16 - 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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#21 - The Hunt for Adolf Eichmann: Case Closed
Season 7 - Episode 2 - Aired 2/2/2026
At the end of World War II, many Nazi officials were captured and tried for their crimes. But one of the architects of the Holocaust, Adolf Eichmann, slipped through the cracks…repeatedly eluding Nazi hunters from around the globe.
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#22 - 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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#23 - 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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#25 - The Theft of the Mona Lisa: Case Closed
Season 7 - Episode 4 - Aired 2/23/2026
The world’s most famous painting vanishes in a daring heist, sparking international outrage and a global manhunt. A master detective is called in, who zeroes in on a handful of suspects with the motive and means to pull off the theft.
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