History's Greatest Mysteries
Investigating a range of mysteries surrounding the Titanic, D.B. Cooper, Roswell and John Wilkes Booth.
- 2020-2026
- 7 seasons
- A+E Networks
- Documentary, Suspense
- TV-PG
Investigating a range of mysteries surrounding the Titanic, D.B. Cooper, Roswell and John Wilkes Booth.
Season 6 Episode Guide
20 Episodes 2025
Episode 1
Roswell
Mon, Jan 27, 2025
It's one of America's most mythic UFO incidents--a 200-yard swath of debris that landed near Roswell, New Mexico. Some believe it was an alien craft, others that it was a secret government experiment. The deeper researchers dig, the more perplexing the story gets. It's a mystery that's endured for nearly 80 years. So what really crashed in Roswell in 1947?
Episode 2
The Franklin Expedition
Mon, Feb 3, 2025
The search for the illusive Northwest Passage leads to a historic expedition that sets sail into a labyrinth of ice and is never heard from again. That disappearance sparks a search for clues spanning nearly two centuries... and leading to unthinkable ends. What really killed the men of the Franklin Expedition?
Episode 3
The Valentine's Day Massacre
Mon, Feb 10, 2025
On February 14th, 1929, one of the most shocking murders in mob history goes down in Chicago--and becomes known as the Valentine's Day Massacre. The 20s and 30s are full of gangland murders, but the Valentine's Day Massacre is considered the most brutal -- and the toughest to solve. So who carried out the Valentine's Day Massacre? And why?
Episode 4
What is the Yeti?
Mon, Feb 24, 2025
Sightings of the Yeti, a creature of myth and legend, have been recorded for thousands of years throughout the Himalayas and surrounding regions. Could this seven-foot-tall creature, covered in shaggy gray hair, be hiding in plain sight? And if the Yeti does exist, is it a living being--or something else entirely?
Episode 5
The Final Flight of Amelia Earhart
Mon, Mar 3, 2025
In 1937, pioneering aviator Amelia Earhart vanishes during her ambitious round-the-world flight. Her mysterious disappearance near a Pacific island spawns decades of theories and unanswered questions.
Episode 6
The Death and Fortune of Pablo Escobar
Mon, Mar 10, 2025 41 mins
Pablo Escobar, the notorious narco-trafficker who single-handedly supplied most of America's cocaine in the 1980s, had billions of dollars in cash...and hid stacks of it all over the country. By the time he was gunned down in 1993, it's believed he was worth over $50 billion in today's money. To some he was a Robin Hood. To others, he was pure evil. Who killed Pablo Escobar? And where did all his money go?
Episode 7
The Lost Loot of Jesse James
Mon, Mar 17, 2025
Cash, jewels, and two million dollars in gold bars. Jesse James and his gang robbed trains, stagecoaches and banks... and buried the spoils. But only a fraction of the millions has actually been found. If James and his gang hid a fortune, where could it be?
Episode 8
The Rendlesham Forest Incident
Mon, Mar 24, 2025 41 mins
A surreal event outside a U.S. Air Force base near the Rendlesham Forest in England becomes an international legend, and one of history's strangest unidentified encounters. For more than 40 years, the question has endured: what was really out there in the Rendlesham Forest? What were the Rendlesham lights?
Episode 9
The Amazing Events of the Book of Exodus
Mon, Apr 14, 2025
The Burning Bush, the 10 Plagues, the Parting of the Red Sea...these legendary Biblical events in the Book of Exodus have shaped Judeo Christian beliefs for centuries. But were these events divinely inspired miracles, or do they have a more earthly explanation? Is it possible some of these famous legends in the Book of Exodus aren't parables... but rooted in fact?
Episode 10
The Search for Atlantis
Mon, Apr 21, 2025
It's history's most famous lost city: the island kingdom that's baffled explorers for centuries; some say Atlantis is a myth, while others insist was a very real place wiped out thousands of years ago.
Episode 11
The Death of Dillenger
Mon, Apr 28, 2025
John Dillinger's life consisted of brazen bank robberies across the country, but his death remains shrouded in mystery: what really happened to John Dillinger ?
Episode 12
The Missing Riches of Genghis Khan
Mon, May 5, 2025 42 mins
The legendary ancient ruler who amassed a fortune estimated to be worth 120 trillion in today's dollars-Genghis Khan-hid his riches so well that to this day no one has unearthed them. 800 years later the fate of his treasure remains a mystery. Where are Genghis Khan's buried riches?
Episode 13
The Missing Tesla Papers
Mon, May 12, 2025
Nicola Tesla had revolutionary ideas, but in the hands of the wrong people, those ideas could be used for evil purposes, when Tesla died, he allegedly had 80 trunks of papers full of ideas, but only 60 have been seen again.
Episode 14
Secrets of the Copper Scroll
Mon, May 19, 2025
An ancient treasure map, recorded on a rare Copper Scroll, could lead to billions of dollars of buried treasure, hidden away thousands of years ago from Roman invaders. Where is the secret treasure of the Copper Scroll?
Episode 15
The Killing of Bugsy Siegel
Mon, Jul 14, 2025
Notorious mobster Bugsy Siegel is gunned down in his Beverly Hills room; Siegel's killing becomes front page news; no arrest is ever made.
Episode 16
Percy Fawcett and the Lost City of Z
Mon, Jul 21, 2025
Percy Fawcett becomes obsessed with a lost city deep in the Amazon jungle, a place he names the City of Z. He vanishes trying to locate it despite numerous missions to find him.
Episode 17
Secrets of the Sphinx
Mon, Jul 28, 2025
Rising from the sands of the Egyptian desert is one of the world's greatest wonders, the mighty Sphinx.
Episode 18
The Lost Pirate Treasure of Jean Lafitte
Mon, Aug 4, 2025
Known as :The Terror of the Gulf"; the whereabouts of Jean Lafitte's treasure remains unknown; the swamps and bayous were his base, and likely also his hiding place; treasure hunters have found very little of Lafitte's stash.
Episode 19
The Secrets of Easter Island
Sat, Aug 9, 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?
Episode 20
Lost Places of the Old Testament
Mon, Aug 18, 2025
The Tower of Babel, Sodom and Gomorrah, and Mount Sinai have seemingly vanished from the map; where are the Old Testament's legendary lost places, and what might they reveal?
