History’s Greatest Mysteries

History's Greatest Mysteries - History Channel

History Channel







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

Where to Stream

2020– Docuseries 5 Seasons63 Episodes

Upcoming TV Airings

The airings below are based on a generic national schedule. Times and dates can vary by TV provider.

Tuesday, April 30

The Legend of Bigfoot

Season 4 • Episode 15

Thousands of people swear they've encountered the legendary North American creature Bigfoot.

Tuesday, April 30

The Search for El Dorado

Season 4 • Episode 17

It is a legendary ancient city, said to be overflowing with gold.

Tuesday, April 30

The Assassination of JFK

Season 4 • Episode 3

In 1963, JFK is assassinated; a suspect is captured, but many believe there's more to the story.

Tuesday, April 30

The Deadly Bermuda Triangle

Season 4 • Episode 12

A look at the Bermuda Triangle, where ships, planes and travelers have been lost without a trace.

Tuesday, April 30

The Mystery of Machu Picchu

Season 5 • Episode 8

Machu Picchu remains one of the most puzzling archeological riddles for the ages.

Tuesday, April 30

Roswell: The First Witness - The Journal

Season 1 • Episode 5

Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

Tuesday, April 30

Roswell: The First Witness - The Memo

Season 1 • Episode 6

A former CIA operative's investigation into the Roswell crash arrives at a critical moment.

Tuesday, April 30

Roswell: The First Witness - The Writer

Season 1 • Episode 7

Investigator Ben Smith travels to Jesse Marcel's hometown on Louisiana's Gulf Coast.

Tuesday, May 7

Jack the Ripper

Season 3 • Episode 10

Jack the Ripper shocks Victorian England; his identity still remains a mystery.

Tuesday, May 7

Houdini's Lost Diaries

Season 2 • Episode 4

Magician and Houdini expert Bill Kalush secures access to Harry Houdini's diary.

Tuesday, May 7

The Dyatlov Pass Incident

Season 3 • Episode 3

An infamous Cold War cold case involves nine hikers found mutilated on a remote mountain slope.

Tuesday, May 7

The Amityville Horror

Season 3 • Episode 5

An unassuming family home on Long Island becomes the most notorious house in America.

Tuesday, May 7

Who Is D.B. Cooper?

Season 4 • Episode 14

In 1971, a man hijacks a Northwest Orient Airlines flight, demanding four parachutes and $200,000.

Tuesday, May 7

Unlocking the Secrets of the Nazca Lines

Season 4 • Episode 19

Geoglyphs made in the Peruvian desert that span over 50 miles.

Tuesday, May 7

TWA Flight 800

Season 4 • Episode 21

In July 1996, one of the worst aviation disasters in American history leaves 230 people dead.

Tuesday, May 7

Montezuma's Lost Treasure

Season 5 • Episode 1

An Aztec king's glittering treasure vanishes into thin air, inspiring a 500-year search.

Tuesday, May 7

The Lost Fortune of the Knights Templar

Season 5 • Episode 3

A look at what happened to the secret treasure hoard of the Knights Templar.

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