Season 12 Episode 9
What on Earth?
TV-PGDocumentary • ScienceSeason 1210 Episodes
Arctic Hunters of NorwayS12 E10Aerial 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.
Secrets of Biosphere 2S12 E9Satellite 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.
Ghost Ship of IrelandS12 E8A ghost ship appears overnight on the shores of Ireland; it may help shed light on the fate of vessels claimed by the most notorious patch of ocean on earth.
Nevada's Mystery MarkingS12 E7Satellite 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.
The Boneyard of ArizonaS12 E6Satellite 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.
Blood Feud of Gresham CastleS12 E5Satellite 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.
Turkey's Lost Terror DomeS12 E4Aerial 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.
Indiana's War FactoryS12 E3Satellite 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.
Mystery of the Fallen StarS12 E2Aerial 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 Civial War fort linked to an extraordinary community with a tragic past.
Bullseye in the SkyS12 E1Satellite images capture a bizarre pattern of enormous circular clouds obscuring an island in the eastern Atlantic; experts investigate and uncover evidence of an unfolding natural disaster that could potentially threaten millions of lives.
Secrets of Biosphere 2Season 12 Episode 9
Cast
Steven Kearney, Klint Janulis, Marc D'Antonio, Mike Capps, Andrew Gough, Seth PorgesRating
TV-PG
Genres
Documentary, ScienceMore Like This
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