Speculative History/anthropology
Ancient mysteries
Study of ancient structures and artifacts that suggest advanced knowledge or techniques
Scientists / Papers
Megalith construction research, Ancient engineering analysis
Theories Citing This Reference (3)
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 engineering civilizations.
Technological inheritance
Modern discovery of ancient knowledge may indicate inheritance from lost civilizations