What on Earth?

Season 12

2023 · 10 episodes · 6h 18m in all

Episodes

1. 

   1. Bullseye in the Sky

   12 Jan 2023 · 42 min

   Satellite capture a bizarre pattern obscuring an eastern Atlantic island.

2. 

   2. Mystery of the Fallen Star

   19 Jan 2023 · 42 min

   Aerial archaeologists use laser imaging to capture a distinct star-shaped pattern carved into the marsh of a Florida swamp; experts investigate and reveal a lost Civil War fort linked to an extraordinary community with a tragic past.

3. 

   3. Indiana's War Factory

   26 Jan 2023 · 42 min

   Satellite images capture a large compound of abandoned structures that are overgrown with vegetation in Indiana; experts investigate and uncover a derelict WWII munitions factory that played a crucial role in US military history.

4. 

   4. Turkey's Lost Terror Dome

   2 Feb 2023 · 42 min

   Aerial drone imaging captures a circular man-made structure that appears to be centuries-old in the remote forests of Aydin, Turkey; experts investigate a lost ancient amphitheater with a history steeped in gladiatorial bloodshed.

5. 

   5. Blood Feud of Gresham Castle

   9 Feb 2023 · 42 min

   Satellite images capture a mysterious fortification concealed beneath a patch of woodland in the remote stretches of Norfolk, England; experts investigate rival royal families and a lost castle that was destroyed during a medieval blood feud.

6. 

   6. The Boneyard of Arizona

   16 Feb 2023 · 42 min

   Satellite images capture miles of aircraft precisely arranged in the vast Arizona desert; experts investigate the largest aircraft storage facility on Earth and the rotting remains of a defining moment in Cold War history.

7. 

   7. Nevada's Mystery Marking

   23 Feb 2023 · 42 min

   Satellite images capture an enormous X shape mysteriously carved with precision in the remote Nevada desert; experts investigate a military emergency landing field linked to one of the most astonishing test programs in aviation history.

8. 

   8. Ghost Ship of Ireland

   2 Mar 2023 · 42 min

   Satellite images reveal a mysterious vessel that suddenly appears marooned on a remote stretch of Ireland's southern coast; experts investigate and uncover a bizarre journey near the Bermuda Triangle that resulted in a US Coast Guard interception.

9. 

   9. Secrets of Biosphere 2

   9 Mar 2023 · 42 min

   Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.

10. 

    10. Arctic Hunters of Norway

    16 Mar 2023

    Aerial archaeologists capture a series of mysterious dots buried beneath the remote, frozen landscape of Finnmark, Norway; experts investigate and reveal revolutionary hunting techniques developed by the oldest surviving Norwegian tribe.