History's Greatest Mysteries

The Tomb of the Unknown Soldier once held four bodies, now there are only three. Discover the remarkable story of Michael Joseph Blassie who was buried in the tomb for decades before being identified.

On July 30th 1945 the USS Indianapolis was torpedoed by a Japanese submarine. Over 800 sailors were stranded on the open sea, facing devastating conditions and hungry sharks. Only 316 sailors were rescued. The final resting place of the ship was a mystery until 70 years later.

In 1845 the Franklin Expedition set sail on a quest to chart the Arctic and vanished without a trace. 250 years later, a shocking revelation leads to the ships being discovered underneath the ice and the gruesome fate of the explorers is finally revealed.

will 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.

A dust-covered box hidden in a British manor house for 108 years contains the personal notes of Lord Mersey, the respected British jurist and politician charged with investigating the sinking of the Titanic in 1912.

In 1914, Sir Ernest Shackleton led an expedition to Antarctica but soon after arrival, Shackleton's ship--The Endurance--was destroyed by shifting glaciers, and he was tasked with leading his 27 men across the tundra, on an epic struggle for survival. Shackleton's battle against the odds and his unfailing commitment to bring all his men out alive turned him into a legend. The ship's final resting ground remains one of the greatest polar mysteries. Led by maritime archeologist and shipwreck expert, Mensun Bound, follow a new ground-breaking expedition heading back into the frozen seas to hunt down Shackleton's lost ship.

On December 5, 1945, five American WW2 torpedo bombers took off from Florida with all men and planes disappearing without a trace. Hours later, the search plane dispatched to find them, also vanished, believed to be lost to the infamous Bermuda Triangle. The number of men tragically lost that day totaled 27 and 75 years later, it remains an unsolved mystery. No ship in history has searched the extreme depths of the Bermuda Triangle, thought to have claimed over 1,000 ships and planes, until now. The late Paul Allen's ship, R/V Petrel, the most advanced search vessel of its kind, will deploy a wide array of cutting edge technology including deep-diving submersibles to investigate three miles down, in an effort, to find the lost squadron and solve the mystery that began the legend of the Bermuda Triangle.

An investigation into the unshakable claims of Roger Miklos, one of America's most eccentric, controversial, and accomplished treasure hunters. Decades before his death in 2018, Roger believed he discovered a modified Nazi U-boat loaded with a fortune in artwork, antiquities, and gold off the coast of Turks and Caicos. Before he passed, Roger gave an exclusive interview that revealed clues about the possible position of the U-boat and left behind a trove of documents, maps, and photographs. Now, armed with this evidence, celebrated diver Mike Fletcher and his team will take to the high seas in search of the special U-boat.

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.

One of World War II's greatest unsolved mysteries: an incomparable work of art worth half a billion dollars, lost without a trace. Perhaps the single most valuable object the Nazis ever stole, the quest for this treasure has lasted over 75 years. Where is the famed Amber Room? And will a brand-new search finally reveal its true location?

A powerful union activist disappears from a Detroit suburb; 45 years later, it remains one of the most notorious missing person cases of all time; the mystery of Jimmy Hoffa's disappearance features more twists and turns than a Hollywood movie.

An infamous Cold War cold case involving nine hikers found mutilated on a remote mountain slope; for over 60 years, authorities and amateurs alike have been trying to figure out what happened in a place that's been called "Russia's Area 51."

Despite centuries of sightings and searches, one of the most infamous deep-sea monsters remains unidentified. As evidence continues to mount, the mystery endures: does the Loch Ness Monster really exist? And if so, what could it be?

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?

On November 22, 1963, President John F Kennedy is assassinated, shaking the nation to its core; while an initial suspect is captured, many believe there's more to the story; investigators and amateur sleuths alike have been searching for answers.

An Aztec king's glittering treasure vanishes into thin air, inspiring a 500-year search that spans continents; one of the greatest warriors of all-time amassed a vast horde believed to be worth more than $3 billion today.

Most people know it as the biblical birthplace of man -- the Garden of Eden; investigating if the Garden of Eden was just a story to explain human creation or if it was a real place.

A look at what happened to the secret hoard of the Knights Templar, a treasure of gold, silver, gems and religious relics protected by a medieval religious order.

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?

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 leads to unthinkable ends. What really killed the men of the Franklin Expedition?

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?

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?

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.

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.