E1 - Bullseye in the Sky

Aired: January 12, 2023

Satellite capture a bizarre pattern obscuring an eastern Atlantic island.

E2 - Mystery of the Fallen Star

Aired: January 19, 2023

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.

E3 - Indiana's War Factory

Aired: January 26, 2023

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.

E4 - Turkey's Lost Terror Dome

Aired: February 02, 2023

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.

E5 - Blood Feud of Gresham Castle

Aired: February 09, 2023

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.

E6 - The Boneyard of Arizona

Aired: February 16, 2023

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.

E7 - Nevada's Mystery Marking

Aired: February 23, 2023

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.

E8 - Ghost Ship of Ireland

Aired: March 02, 2023

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.

E9 - Secrets of Biosphere 2

Aired: March 09, 2023

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.

E10 - Arctic Hunters of Norway

Aired: March 16, 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.