Secret Soviet Spacecraft

E1

Satellites capture a bizarre industrial complex in desert of Kazakhstan.

Range of Nazi Evil

E2

Satellites capture dozens of parallel lines hidden in Polish woodlands.

Doomsday Lair of Greece

E3

Satellites capture bizarre structures on the Greek island of Kefalonia.

Mystery of the Welsh Mine

E4

Satellites capture ruins amid bizarre structures on a Welsh mountaintop.

Riddle of Sardinia Tower

E5

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.

Circles of the High Kings

E6

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.

Russia's Lightning Lab

E7

Drone images capture oddly shaped towers in a forest clearing near Moscow.

Poland's Secret Nazi Compound

E8

Satellites capture a series of zigzagging patterns in Polish woodlands.

Holes of Dead Sea Destruction

E9

Drone images capture enormous holes scattered along the Dead Sea coastline.

Ancient Rome's El Dorado

E10

Satellites capture bizarre markings etched deep in the mountains of Spain.