What on Earth?

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  • : 163
  • : 23
  • Science Channel
  • 21
  • Documentary

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11
11x1
Secret Soviet Spacecraft
Episode overview
Satellite images capture a bizarre industrial complex in the remote desert expanse of Kazakhstan. Experts investigate and uncover a massive hangar containing a Buran or Soviet space .. show full overview
11x2
Range of Nazi Evil
Episode overview
Satellite images capture dozens of perfectly straight parallel lines hidden in the dense Polish woodlands; experts investigate and uncover a massive WWII military complex once used as a notorious and deadly Nazi weapons training facility.
11x3
Doomsday Lair of Greece
Episode overview
Satellite images capture bizarre structures fenced within a remote mountaintop complex on the Greek island of Kefalonia; experts investigate and discover a network of massive satellites linked to a hidden NATO doomsday communications bunker.
11x4
Mystery of the Welsh Mine
Episode overview
Satellite images capture monumental ruins surrounded by bizarre feather-shaped structures on a Welsh mountaintop; experts investigate a hidden tunnel containing the remains of an abandoned slate mine with an exploitative and deadly past.
11x5
Riddle of Sardinia Tower
Episode overview
Satellite images capture a triangular castle-like tower located on the Mediterranean island of Sardinia; experts investigate the relics of a declining ancient civilization that may have suffered a celestial catastrophe.
11x6
Circles of the High Kings
Episode overview
Satellite images capture two conjoined circular structures embedded in the lush and rolling landscape of Ireland; experts investigate and uncover an ancient site linked to legendary figures and the elusive hunt for the Ark of the Covenant.
11x7
Russia's Lightning Lab
Episode overview
Aerial drone imaging captures oddly shaped industrial-sized towers mysteriously situated in a forest clearing near Moscow; experts investigate and uncover a lost Soviet-era military .. show full overview
11x8
Poland's Secret Nazi Compound
Episode overview
Satellite images capture a series of enormous zigzagging patterns carved into the remote woodlands of Poland. Experts investigate a clandestine Nazi base linked to a doomed operation that played a pivotal role in the downfall of WWII Germany.
11x9
Holes of Dead Sea Destruction
Episode overview
Aerial drone imaging captures clusters of enormous, perfectly round holes scattered along the coast of the Dead Sea in Israel; experts reveal a history of destructive water diversion linked to massive sinkholes devouring the region.
11x10
Ancient Rome's El Dorado
Episode overview
Aerial archaeologists capture bizarre, spider-like markings etched deep into the mountains of Northern Spain; experts investigate an ancient site that contained one of the largest and most important gold mining operations of the Roman Empire.

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