Watch
  • History
  • Smithsonian Channel

Secrets

  • 2013 – 2021
  • Returning Series
  • Documentary · Mystery
  • ~55m / ep
  • 7 seasons
  • 8.0/10

A monument that may explain why the people of a thriving ancient city vanished from Earth. A tablet that reveals a towering truth about one of the Bible's strangest stories. Evidence that the 10 plagues of Egypt were real natural phenomena. Join us as we follow a team of investigators around the globe, using modern science and technology to uncover ancient mysteries surrounding these and other puzzles from our past. By examining these relics and legends, we hope to gain insights into who we are, where we come from, and where we are going.

Latest: Season 7 · 2021

View all seasons
  1. E1. Cleopatra's Lost City

    Aug 9, 2021

    Cutting-edge technology and dedicated digging have unearthed new secrets about ancient Egypt's fabled sunken city.

  2. E2. Rome's Secret Weapon

    Aug 16, 2021

    See how a 1,900-year-old battlefield in Scotland is revealing new insights into ancient Rome's military tactics.

  3. E3. Underwater Stonehenge

    Aug 23, 2021

    Could a sunken, 9,000-year-old stone circle be the origins of the world's most famous prehistoric monument: Stonehenge?

  4. E4. Griffin Warrior

    Aug 30, 2021

    Follow archaeologists as they examine a tomb they hope will reveal the mysterious origins of the ancient Greeks.

  5. E5. Riddle of the Roman Skulls

    Sep 13, 2021

    See why the discovery of strangely elongated skulls in an ancient cemetery is giving new insights into the fall of Rome.

  6. E6. Murdered Pharaoh

    Sep 20, 2021

    See how the gruesome discovery of a mutilated pharaoh in 2014 has rewritten the history of ancient Egypt.