Alien Beacons (S01E11)

For centuries, ancient structures and enigmatic symbols, only visible from above, have intrigued and baffled scholars. The Nazca Lines in Peru feature vast designs of animals and human figures that span across miles of desert. Meanwhile, Ohio's Serpent Mound and France's meticulously arranged Carnac Stones showcase an impressive understanding of astronomy and geometry. Globally, similar mysteries arise from crop circles filled with intricate patterns and ley lines that connect sacred locations along energetic routes. Could these sites serve a purpose beyond ancient marvels? Might they have been intentionally created as navigational aids for extraterrestrial visitors once traversing Earth's skies?