World Mysteries Encyclopedia

Categories: astronomy mysterious books and manuscripts lost civilizations giant constructions megalithic constructions geogliphs artificial relief pyramids ancient-egyptian-pyramids european-pyramids mesoamerican-pyramids united-states-pyramids geography history the 7 wonders of the ancient world other 7 wonders of the ancient world mysterious places myths and legends amazing sights pseudoscience astrology superstitions religion secret societies spirituality science and technology mysterious creatures ancient mechanisms ufo unconventional science free energy free energy devices free energy inventors

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