A recently declassified document discussed the topic of lost ancient human civilizations, and cataclysms that occurred on earth thousands of years ago ?" causing them to vanish from the earth and without explanation. Thus answering the question of why there is so much mystery and unanswered questions involving our true ancient past. The creator of this document also states that the Great Pyramid of Giza, Egypt, Easter Island, Tiahuanaco, and Baalbek are ancient Enigmas. The lost city of Atlantis is also mentioned in the declassified files.