What on Earth?Season 112022 · 10 episodesEpisodes1Secret Soviet SpacecraftSatellites capture a bizarre industrial complex in desert of Kazakhstan.2Range of Nazi EvilSatellites capture dozens of parallel lines hidden in Polish woodlands.3Doomsday Lair of GreeceSatellites capture bizarre structures on the Greek island of Kefalonia.4Mystery of the Welsh MineSatellites capture ruins amid bizarre structures on a Welsh mountaintop.5Riddle of Sardinia TowerSatellite 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.6Circles of the High KingsSatellite 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.7Russia's Lightning LabDrone images capture oddly shaped towers in a forest clearing near Moscow.8Poland's Secret Nazi CompoundSatellites capture a series of zigzagging patterns in Polish woodlands.9Holes of Dead Sea DestructionDrone images capture enormous holes scattered along the Dead Sea coastline.10Ancient Rome's El DoradoSatellites capture bizarre markings etched deep in the mountains of Spain.Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 12
