Ancient engineers left behind puzzles so precise they still mess with our modern brains. From a 2,000-year-old “computer” to stones cut like machine parts and geoglyphs only legible from the sky, these seven marvels blur the line between genius and impossibility. Ready to question what we think we know? ⭐ Subscribe for more explorations of ancient enigmas → / @chronofallofficial ━━━━━━━━━━━━━━━━━━━━ ▶️ Watch next → • 10 Most Recent Discoveries That Left Scien... 10 Most Recent Discoveries That Left Scientists SPEECHLESS ━━━━━━━━━━━━━━━━━━━━ 📌 Chapters 00:00 — #7 Antikythera Mechanism: Greece’s analog “computer” 01:57 — #6 “Baghdad Battery”: power or ritual jar? 03:18 — #5 Piri Reis Map: a 1513 world remix 04:50 — #4 Nazca Lines: messages for the sky 06:23 — #3 Puma Punku: millimeter-sharp megaliths 07:47 — #2 Paracas Skulls: identity shaped in infancy 09:24 — #1 Great Serpent Mound: earthwork aligned to the sun ━━━━━━━━━━━━━━━━━━━━ 📚 Sources & References Freeth, T. et al. – Decoding the ancient Greek astronomical calculator known as the Antikythera Mechanism, Nature (2006). Arran Frood – Riddle of “Baghdad’s Batteries”, BBC News (2003). UNESCO – Lines and Geoglyphs of Nasca and Palpa, World Heritage Centre. Protzen, J-P. & Nair, S. – The Stones of Tiahuanaco: A Study of Architecture and Construction, Cotsen Institute of Archaeology (2013). Gómez-Mejía, J. – Intentional Cranial Modification in the Paracas Culture, Journal of Archaeological Science: Reports (2022). ━━━━━━━━━━━━━━━━━━━━ 🏷️ Hashtags #ancientmysteries #archaeology #history ━━━━━━━━━━━━━━━━━━━━ ⚠️ Disclaimer This video is for educational and documentary purposes under Fair Use. ChronoFall does not claim ownership of third-party footage or images. If you are a copyright holder with concerns, please contact us directly.