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How the Largest Earthwork in the Western Hemisphere Was Built
01:39 — Located in southern Illinois, Monks Mound is a massive earthen structure, made entirely of clay, a material that tends to shrink and collapse over tim (more…)
Do We Finally Know How the Holy Grail Disappeared?
02:45 — How did an onyx cup thought to be the Holy Grail disappear from the Church of the Holy Sepulchre in 909 AD? This historian's breakthrough might provid (more…)
The Typos on This Dead Sea Scroll Don't Mean It's Fake
02:27 — When the Dead Sea copper scroll was unveiled, doubts were quickly raised about its authenticity. For one thing, it was riddled with spelling errors. (more…)
Why Was King Tut's Tomb Prepared in Such a Rush?
03:32 — When archeologists discovered mold formations in King Tut's tomb, they worried the sweat and breath of tourists were the cause. A later study revealed (more…)
The Pharaoh Who Found the Sphinx
04:20 — King Thutmose IV didn't build the Great Sphinx. He rediscovered it, hidden in the sand, and - according to legend - it made him king in return. From: (more…)
Why the Vatican Believes in the Shroud of Turin
02:47 — While many experts believe the Shroud of Turin is a medieval forgery, historians at the Vatican have found evidence that leads them to believe it date (more…)
Is This the Lost Egyptian City of Pi-Ramesses?
02:44 — In 1940, a French Egyptologist unearthed not one, but a dozen, royal tombs near the ancient city of Tanis. Was this the location of Pi-Ramesses, the f (more…)
Why This Pharaoh Is Considered Egypt's Greatest
02:08 — Ramesses II is thought of as ancient Egypt's greatest pharaoh. His importance is reflected in the size and scale of his magnificent funerary temple, i (more…)
Can Tree Rings Explain the Demise of a Lost Civilization?
02:26 — Archaeologists believe the sudden destruction of a pre-Columbian civilization found in southern Illinois occurred around 1150 AD. But to find the caus (more…)
Why $3 Billion Is Way Too Much Treasure to Hide
02:03 — What made people doubt the authenticity of the Dead Sea copper scroll wasn't the hidden treasure it described, but the sheer quantity of it: more than (more…)
Would Jesus Have Sipped From Such a Fancy Cup?
02:23 — Could an onyx cup once held in the Church of the Holy Sepulchre in Jerusalem turn out to be the Holy Grail? If so, how would an object this valuable e (more…)
How to Unroll a Dead Sea Scroll Without Destroying It
02:57 — In 1952, a remarkable copper scroll was uncovered by archaeologists near the Dead Sea. It would take four years for scientists to agree on a way to op (more…)
The Entire Bay of Santorini Is an Active Volcanic Crater
03:32 — What happened to the giant volcano thought to have destroyed Atlantis? The answer may be the island of Santorini... all of it. From: SECRETS: Hunt fo (more…)
A Convicted Forger Calls Nefertiti's Bust a Fake
04:05 — Selective damage, a mysteriously missing eye, layer of stucco plaster--all of these are reasons that notorious forger Shaun Greenhalgh believes Nefert (more…)
Was King Tut's Tomb Built for a Woman?
03:40 — An archeologist notes that King Tut's chamber was designed and decorated differently from other Egyptian pharaohs. One theory is that his tomb was ori (more…)
What Happened to the Holy Grail After the Last Supper?
03:06 — Only one dining object from the Last Supper is specifically mentioned in the Bible: the Cup of Christ, also known as the Holy Grail. What happened to (more…)
Are These Enormous Mounds Natural or Man-Made?
01:52 — Speculation abounds as to whether the mysterious Cahokia mounds in southern Illinois were naturally formed or created by an ancient people. Now, archa (more…)
Did Atlantis Really Have Indoor Plumbing?
03:37 — In 1967, archeologists discovered Akrotiri, an ancient city buried beneath Santorini. It may be the missing city of Atlantis, as well as the origin of (more…)
Are There Secret Doorways in King Tut's Burial Chamber?
02:28 — Recently, a team of conservation experts using cutting-edge scanning technology created a 3D model of King Tut's chamber to capture its likeness. The (more…)
The Greenland Evidence
02:03 — On most maps from the 15th century, Greenland is represented inaccurately as a landmass that connects to northern Europe. But on the Vinland Map, the (more…)
Secrets - Season 3
Join us on a quest to uncover some of history's greatest secrets using today's latest research and techniques.
Secrets - Season 3
Join us on a quest to uncover some of history's greatest secrets using today's latest research and techniques.
How Blackbeard Tricked Out His Ship
02:23 — When Blackbeard seized the Queen Anne's Revenge, it was almost the perfect pirate ship. It just needed a few explosive upgrades.
Was Hitler Obsessed with the Spear of Destiny?
02:12 — When the Nazis took Vienna in 1938, myth has it that Hitler went straight to the Kunsthistorisches Museum to seize one of its most valuable treasures. (more…)
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Cast & Details

  • Premiered: August 4, 2013
  • Rating: TV-PG
  • Premise: Examining remarkable relics from around the world that not much is known about, including the Shroud of Turin and the Sphinx.

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