Seasons & episodes
S4 · E19Unlocking the Secrets of the Nazca Lines 2023-06-24 · 40 min
They've been called the world's greatest archaeological enigma. 2,000-year-old geoglyphs made in the Peruvian desert that span over 50 miles. The drawings are so massive, they can only be seen from the air. Can new research finally unravel their secrets? What is the true purpose of the incredible Nazca Lines?
S4 · E20The Hunt for Cleopatra's Missing Tomb 2023-07-09 · 42 min
She was the last pharaoh of Egypt and one of the most famous queens of all time, but her death in 31 B.C. has been shrouded in mystery. Cleopatra's body and final resting place have been lost without a trace for over 2,000 years, leaving the world's top archaeologists baffled. Can new evidence finally uncover Cleopatra's missing tomb?
S4 · E21TWA Flight 800 2023-07-16 · 42 min
In July 1996, one of the worst aviation disasters in American history leaves 230 people dead and countless questions unanswered; it's a tragedy that changes the aviation industry forever.
S4 · E22The Hunt for Hitler 2023-07-23 · 42 min
The history books say Adolf Hitler committed suicide in the final days of World War II, but not everyone believes there's sufficient proof; questions have swirled for decades about his possible escape.
S4 · E23The Lost Gold of WWII 2023-07-30 · 42 min
During World War II, Japan plunders a fortune worth hundreds of billions of dollars from occupied countries, but to this day its whereabouts are unknown.
S4 · E24The Black Dahlia 2023-08-06 · 41 min
It's one of the most infamous crimes in American history: the gruesome murder of a young beauty, unsolved for decades. There's a long line of suspects, each more mysterious than the next. Can the questions surrounding one of history's most notorious unsolved cases finally be answered?
S4 · E25Gardner Museum Robbery 2023-08-13 · 42 min
In a perfectly planned robbery, thieves steal half a billion dollars in masterpieces from the Gardner Museum in Boston; it's been three decades since the brazen heist, and an exhaustive search has failed to recover the stolen goods.
S5 · E1Montezuma's Lost Treasure 2024-01-29 · 42 min
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.
S5 · E2The Garden of Eden 2024-02-05 · 42 min
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.
S5 · E3The Lost Fortune of the Knights Templar 2024-02-12 · 42 min
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.
S5 · E4The Shroud of Turin 2024-02-19 · 42 min
The haunting image of the Shroud of Turin has captivated millions around the world; scientists and theologians are trying to figure out if the Shroud of Turin truly is an image of Jesus or something very different.
S5 · E5Captain Kidd's Treasure 2024-03-04 · 41 min
It's a mystery from the golden age of piracy. In 1698, Captain William Kidd raids a ship on the high seas and seizes its vast treasure... but Kidd is hanged before revealing where he stashed the loot. What happened to Captain Kidd's lost booty... and where is it now?
S5 · E6Escape from Alcatraz 2024-03-11 · 41 min
A perfectly masterminded plot leads to one of the most brazen prison breaks in American history. With only a handful of clues left behind, the search for the infamous Alcatraz escapees continues to this day. But is it really possible they survived -- and if so, where did they go?
S5 · E7The Battle of Los Angeles 2024-03-18 · 42 min
On February 24, 1942, less than three months after the Japanese bombed Pearl Harbor, military radar picks up what appears to be enemy aircraft over Los Angeles. Air raid sirens send citizens scrambling, as troops fire more than 1400 rounds of anti-aircraft artillery at the illusive targets. When the smoke clears, the incident is veiled in secrecy and lies. What exactly triggered the
S5 · E8The Mystery of Machu Picchu 2024-03-25 · 42 min
With 500-year-old secrets hidden in skeletons and stone, Machu Picchu is one of the most puzzling archaeological sites on earth. It's among the ancient world's most enduring riddles: Who built this astonishing complex, and why?
S5 · E9Who Killed King Tut? 2024-06-03 · 41 min
The death of one of history's most enigmatic rulers--Egypt's King Tutankhamun--remains shrouded in mystery 3300 years later. No one knows for sure what ended the young pharaoh's life, but scientific advancements may be getting us closer to the answer. Who, or what, killed King Tut?
S5 · E10The Hindenburg Disaster 2024-06-10 · 42 min
For decades, experts believed they knew what caused the Hindenburg disaster that leaking hydrogen and ignited, causing the airship to burst into flames. But there may be more to this story. Whatever triggered the explosion, it didn't just spell doom for the Hindenburg but for the entire rigid airship industry. What caused the Hindenburg Disaster?
S5 · E11The Search for Alexander the Great 2024-06-17 · 42 min
The story of the most celebrated warrior king in history still stirs fascination more than 2,000 years after his death. But the location of his body is the subject of much debate. When his remains suddenly disappear without a trace, a search across the ancient world ensues. What happened to the mummy of Alexander the Great?
S5 · E12The Sinking of the Titanic 2024-06-24 · 42 min
The Titanic's tragic story captures the imagination of the public and experts of all kinds, who--decades after the ship's demise--still seek answers. Can new evidence reveal more about how--and why--the Titanic sank?
S5 · E13The Legend of the Lost Dutchman's Mine 2024-07-01 · 42 min
The search for the most famous gold mine in the Old West has led many to perish in the pursuit of its elusive riches. Legend suggests the gold, and the land it's hidden on, are somehow cursed--yet treasure hunters still come to the Superstition Mountains looking for the hidden hoard. But where exactly is the Lost Dutchman's mine?
S5 · E14The Assassination of RFK 2024-07-08 · 42 min
Five years after John F. Kennedy is killed by gunshot, his brother Robert meets the same fate. An assassin's bullet again changes the course of history, and the latest clues in the case are riddled with inconsistencies. Who is really behind the killing of Robert Kennedy, and why?
S5 · E15The Salem Witch Trials 2024-07-15 · 42 min
A notorious tragedy leads to one of the darkest chapters in early American history. In 1692, fear rips through the small town of Salem, Massachusetts. Accusations fly and many people are put to death. But what really sparked the Salem Witch Trials?
S6 · E1Roswell 2025-01-27 · 41 min
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?
S6 · E2The Franklin Expedition 2025-02-03 · 41 min
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?