Micah Hanks - MysteriousUniverse From the the intricate monuments and cities that once covered the ancient Indus Valley, to the weathered steppes of Central Asia; and much further beyond, the ruined, vine-decorated temples of South America, such remnants of the ancient world have long remained among our most fascinating treasures. The ancient past has long kept many mysteries, some of which we possess at least a degree of knowledge here in modern times. Among these are the notions of ancient cataclysms of truly epic proportion, which seem to suggest that there was more great change on our planet in ancient times than history has managed to yet account for. Some of the most famous examples of epic, earth-shaking mysteries from times long past come to us in the retellings found in documents from antiquity. For instance, Plato's dialogue Critias, a text for which only incomplete portions exist today, is famous among both historians and alternative scholars alike, for its description of