The Hollow Earth?
The Hollow Earth / Inner Earth The Hypothesis Of Wikipedia : Hypothesis In ancient times, the concept of a subterranean land inside the Earth appeared in mythology , folklore and legends . The idea of subterranean realms seemed arguable, and became intertwined with the concept of "places" of origin or afterlife, such as the Greek underworld , the Nordic Svartálfaheimr , the Christian Hell , and the Jewish Sheol (with details describing inner Earth in Kabalistic literature, such as the Zohar and Hesed L'Avraham ). The idea of a subterranean realm is also mentioned in Tibetan Buddhism belief. [1] [2] According to one story, there is an ancient city called Shamballa which is located inside the Earth. [2] According to the Ancient Greeks , there were caverns under the surface which were entrances leading to the underworld , some of which ...