What on Earth?
Season 11 Episode 6 - Circles of the High Kings
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.
Episodes in Season 11
Secret Soviet Spacecraft
42 min
Range of Nazi Evil
42 min
Doomsday Lair of Greece
42 min
Mystery of the Welsh Mine
42 min
Riddle of Sardinia Tower
42 min
Circles of the High Kings
42 min
Russia's Lightning Lab
42 min
Poland's Secret Nazi Compound
42 min
Holes of Dead Sea Destruction
42 min
Ancient Rome's El Dorado
42 min