Example image of eyePlorer eyePlorer map for 'Hollow Earth': Earth Nebular hypothesis Folklore Subterranean fiction Conspiracy theory Pseudoscience Greek mythology Hades Hell Norse mythology Sheol Svartálfaheimr Zohar Edmond Halley Atmosphere Aurora (astronomy) Luminosity Lands Beyond Leonhard Euler Thought experiment John Leslie (physicist) Pluto Geographical pole John Cleves Symmes, Jr. Andrew Jackson James McBride (pioneer) North Pole Jeremiah N. Reynolds United States Exploring Expedition Adolf Hitler Thule Society Karl Dönitz Nuremberg Trials Phantom of the Poles Vladimir Obruchev Arctic Ascended master Agartha California Mount Shasta Peru Tibet Unidentified flying object Martin Gardner Ring Nebula Amazing Stories Pulp magazine Science fiction Raymond A. Palmer Richard Sharpe Shaver
Disclaimer