Ancient Aliens Special Presentation

S01E07 Alien Codes and Messages

Throughout the annals of human existence, ancient civilizations have etched intriguing symbols, created vast earthworks, and inscribed messages that beckon to be understood. Could these puzzling artifacts, mysterious agricultural patterns, and sacred structures hold clues to contact with alien beings? If they are indeed messages from beyond our planet, what essential truths or warnings might they be conveying to us?