Submarine City Bases
Scientists / Papers
Various underwater exploration theorists CIA intelligence reports
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Theories Citing This Reference (7)
Ancient advanced presence
South American sites may reflect influence from civilizations with advanced knowledge or non-human origin
Atlantean Underground Survival
Atlantean global super advanced civilization survived worldwide destruction 12000 years ago by going underground or underwater establishing city-sized submarine bases continuing to manage planetary affairs and social...
Technological inheritance
Modern discovery of ancient knowledge may indicate inheritance from lost civilizations
Time Travel Temporal Contamination
Humans from 100 to 200 years in future became time-traveling Nordics who violated timeline reaching back into past to seed Atlantean civilization creating circular timeline where breakaway civilization seeds ancient...
Ultraterrestrial/Hidden Civilization Coexistence
While the US has the technology, it coexists with or is inspired by hidden civilizations (Atlanteans, underwater bases) or interdimensional beings, which the government monitors but does not fully disclose.
Underground and Underwater Alien Civilizations
Suggests that most alien civilizations likely evolved inside planets or underwater rather than on inhospitable surfaces
Underwater Enki Civilization
A civilization descended from the Sumerian god Enki (god of waters) lives in the oceans, possessing advanced technology and monitoring humanity, while surface dwellers follow the hostile Enlil.