Alien Observatories - S1.E8

Ancient sites like Stonehenge, Newgrange, and Egypt's Pyramids of Giza reveal astonishing celestial alignments that seem far from coincidence. Across the globe, from the Mayan temples and Hopi settlements to the pyramid complex of Teotihuacan, massive structures seem to mirror the heavens above–especially when seen from the skies. What purpose do they serve? Were these alignments crafted to signal entities from the stars? Do they mark the origins of otherworldly visitors? Or do they conceal a hidden purpose–one that humanity has yet to uncover?