History's Greatest Mysteries
Season 4 Episode 18 - The Mysterious Havana Syndrome
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?"
Episodes in Season 4
The Loch Ness Monster
41 min
Who is the Zodiac Killer?
42 min
The Assassination of JFK
42 min
The Lost Colony of Roanoke
41 min
The Phoenix Lights Phenomenon
40 min
The Ark of the Covenant
41 min
The "Missingest" Man in America
41 min
Blackbeard's Lost Treasure
41 min
Decoding the Mysterious Antikythera Mechanism
41 min
The Puzzling Pyramids of Egypt
41 min
The Hunt for Stolen Nazi Treasure
41 min
The Deadly Bermuda Triangle
41 min
The Search for Noah's Ark
41 min
Who is D.B. Cooper?
40 min
The Legend of Bigfoot
41 min
Unlocking the Secrets of Stonehenge
40 min
The Search for El Dorado
41 min
The Mysterious Havana Syndrome
41 min
Unlocking the Secrets of the Nazca Lines
40 min
The Hunt for Cleopatra's Missing Tomb
42 min
TWA Flight 800
42 min
The Hunt for Hitler
42 min
The Lost Gold of WWII
42 min
The Black Dahlia
41 min
Gardner Museum Robbery
42 min