History's Greatest Mysteries

1Area 51

Jan 26, 2026

Hidden in the Nevada desert, a top-secret military base remains one of the most heavily restricted sites in the United States; since the 1950s, speculation has swirled about its true purpose-ranging from hiding experimental aircraft and even alien technology; Area 51 keeps its mysteries so closely guarded that not even the president is fully briefed; what is the government really hiding there?

2The Hunt for Adolf Eichmann: Case Closed

Feb 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.

3The Legend of the Werewolf

Feb 9, 2026

It's one of humanity's oldest nightmares-at the full moon, werewolves that once were men hunt human prey and then feast on their flesh. Stories of this terrifying transformation persist to this day.

4The Theft of the Mona Lisa: Case Closed

Feb 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. Who stole the legendary Mona Lisa?

5The Hunt for the Kraken

Mar 2, 2026

It’s one of the most legendary monsters said to be lurking in the vast open seas. With stories going back hundreds of years, this elusive creature has terrorized sailors and baffled scientists.

6The Murder of Sam Giancana

Mar 9, 2026

The notorious mafia kingpin, Sam Giancana, is shot execution style in his own home. The larger-than-life mobster had many enemies, from inside the mafia to the CIA.

7The Unabomber: Case Closed

Mar 16, 2026

A twisted mastermind uses homemade bombs to terrorize the nation. Despite one of the most extensive manhunts in U.S. history, he still manages to stay one step ahead of law enforcement for nearly two decades.

8Who Is the Boston Strangler?

Mar 23, 2026

A series of shocking murders shake the city of Boston to its core. Each victim, 13 women in all, bore the signature of this serial killer.

9The Plot to Kill Lincoln

Apr 6, 2026

A shot rings out from the balcony of the Ford's Theater in Washington, D.C. and America's 16th president has been killed. Who was behind the plan to assassinate President Lincoln?

10The Hunt for El Chapo: Case Closed

Apr 13, 2026

El Chapo is an untouchable drug lord who sat atop a criminal empire and became the most wanted man in the world. How did investigators finally bring El Chapo to justice?

11What Killed Bruce Lee?

Apr 20, 2026

Bruce Lee was a seemingly invincible icon and the closest thing that we had to a real-life superhero. What killed him?

12The Hunt for Viking Treasure

42 minApr 27, 2026

Known for their seafaring skills and feared for their ferocity, the Vikings amassed gold, silver and other riches while trading and raiding across Europe; catches of this treasure have been found in Europe and North America, but this may be just the tip of the iceberg; are there any rich Viking hoards still waiting to be found? And if so, where are they?

13The Lufthansa Heist

42 minMay 4, 2026

On December 11, 1978, a gang of thieves lift around $5 million in cash and $800,000 in jewelry from a luxury airline hangar at New York's JFK Airport, marking the largest heist in U.S. history at that time.

14Foo Fighters: WWII Edition

42 minMay 11, 2026

During World War II, a fiery phenomenon terrorizes American airmen in the night skies over Europe. The pilots call these fireballs "Foo Fighters," and swear they move at over 200 mph and defy the laws of physics. But what are they?

15Rommel's Gold: WWII Edition

42 minMay 18, 2026

General Erwin Rommel captured territory, imprisoned local Jews in camps, and stole their gold and valuables in the name of the Führer. For decades, many have looked for this elusive treasure. What became of Rommel's gold?

16The Shot Heard Round the World

42 minAug 10, 2026

When the British Red Coats march into Lexington in 1775 prepared for a surprise attack, they are met with a small scrappy militia ready for a fight; it's the battle that kicked off the American Revolution, but centuries later, two questions remain: Who warned the Patriots that the British were coming and who fired the shot heard round the world?

17The Death of Alexander the Great

42 minAug 17, 2026

As one renowned military leader, his conquests were so decisive that some believed he was descended from the gods; at only 32, with a vast empire that was rapidly expanding, Alexander the Great died unexpectedly; what, or who, is responsible for the death of Alexander the Great?

18Lost Civil War Gold

42 minAug 24, 2026

In the final days of the Civil War, Confederate leaders fled south, rumored to be carrying the Confederate treasury worth an estimated $13 million in today's money. But when Jefferson Davis is captured, there's no treasure in his baggage. Where did the stolen money end up… and could it still be out there, waiting to be found?

19The 2001 Anthrax Attacks

42 minAug 31, 2026

Deadly anthrax spores sent through the mail kill five people and spread authorities thin. The FBI works around the clock to stop this brazen act of bioterrorism, but the letters keep coming.

20The Hunt for Osama bin Laden: Case Closed

42 minSep 7, 2026

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