Professor Alice Roberts follows a decade-long historical quest to reveal a hidden secret of the famous bluestones of Stonehenge. Using cutting-edge research, a dedicated team of archaeologists led by Professor Mike Parker Pearson have painstakingly compiled evidence to fill in a 400-year gap in our knowledge of the bluestones, and to show that the original stones of Britain’s most iconic monument had a previous life. Alice joins Mike as they put together the final pieces of the puzzle, not just revealing where the stones came from, how they were moved from Wales to England or even who dragged them all the way, but also solving one of the toughest challenges that archaeologists face.

For over 4000 years, the Sphinx has puzzled all who have laid eyes on it. What is this crouching lion, human-headed creature? Who built it and why? To unlock its secrets, two teams of scientists and sculptors immerse themselves in the world of ancient Egypt — a land of pharaohs and pyramids, animal gods and mummies, sun worship and human sacrifice.

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Joseph, favored son of Jacob and great-grandson of Abraham, is sold into slavery by his jealous brothers. Rising to become prime minister of Egypt. Joseph governed the country during a seven year famine, during which his brothers visit Egypt seeking grain, only to encounter their brother, presumed long dead.

During risky expeditions in an underwater cave in Mexico, scientists unearth the skeleton of a 13,000-year-old prehistoric teenager to gain insight into the earliest known humans in America.

A short distance from Marseille, at Cape Morgiou, in the depths of the Calanques massif, lies the Cosquer cave, discovered only about thirty years ago by a diver, Henri Cosquer. With its bestiary of hundreds of paintings and engravings - horses, bison, jellyfish, penguins - the only underwater decorated cave in the world allows us to learn a little more about Mediterranean societies 30,000 years ago. Today, threatened by rising water levels accelerated by global warming, this jewel of the Upper Paleolithic is in danger of being swallowed up. To save the cave from disappearing, the Ministry of Culture has chosen to digitize it. From this virtual duplicate, a replica has been made on the surface to offer the public a reconstruction that allows them to admire these masterpieces.

Alexander, the King of Macedonia, leads his legions against the giant Persian Empire. After defeating the Persians, he leads his army across the then known world, venturing farther than any westerner had ever gone, all the way to India.

In the heart of Paris, an entire palace has disappeared. It was the very first residence of the kings of France. Long before Versailles, long before the Louvre, the Palais de la Cité stood on the most prestigious island in Paris, the historic cradle of France, facing Notre-Dame. So majestic in the Middle Ages, this palace has become a ghost of history. Over the centuries, this architectural masterpiece has almost completely disappeared. A trio of experts will resurrect it in 3D. Using science and unprecedented excavations, they will track down the pieces of the puzzle to reconstruct it at its peak in the 14th century, and bring back to life those who inhabited it. From the Romans to the Vikings, from Saint Louis to the cursed kings, all have left clues of this 'Versailles of the Middle Ages'.

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In the Formative Period 4,000 years before the Incas and the arrival of the Conquistadors, Peru’s earliest civilizations - the Chavín, Caral, Ventarrón, Sechin, Cupisnique, and Cajamarca cultures - built centers of learning and technological achievements, including the largest work of hydrological engineering in the ancient Americas: the Cumbemayo canals.

Starting from the colonial city of Trujillo, this documentary reveals natural and archeological features along the north coast of Peru, where the Moche culture thrived from the 1st Century BC to the 6th Century AD.

The sinking of the RMS Titanic remains one of the most enduring and mysterious tragedies of the 20th century. For decades, investigators and amateurs alike have floated theories for why it occurred and who was to blame for the extraordinary loss of life, but no one answer could fully explain what happened. Until now. To mark the 100th anniversary of the infamous disaster, Smithsonian Channel will premiere Titanic's Final Mystery. The two-hour special investigates a century of theories and uncovers astonishing new forensic evidence that proves the most likely theory for the case.