Paleocontact and Ancient Anomalies: Exploring Claims from Giza to the Antikythera Mechanism

To the point

Many ancient mysteries, from Giza's geodetic precision and the Antikythera Mechanism to Sacsayhuamán, the Costa Rica Spheres, and other phenomena, are presented by some as evidence of advanced past knowledge or even extraterrestrial contact, while mainstream scholars remain cautious and call for more evidence.

10 historical signs that suggest aliens exist
indiatimes.com

10 historical signs that suggest aliens exist

There are historical and celestial anomalies in human history that make us question what we thought we knew about how technology and the stars interacted in the past. The Giza Plateaus unmatched geodetic accuracy and the strange ‘out-of-place’ artefacts like the Antikythera Mechanism are just two examples of unexplained things from around the world. Mainstream academia often says that these kinds of accomplishments are due to lost human creativity, but the fact that these sites are so complicated logistically and mathematically lends credence to the paleocontact hypothesis.