From time immemorial, people have believed that there is another world lying just beneath the surface of our planet. To a number of cultures—the ancient Greeks for one—it is a dark place filled with the souls of the dead. But most of these early beliefs were metaphorical or mythological in origin.
Modern science holds that the Earth is an unbroken series of layers, crusts, and liquid magma surrounding a dense, hot core made primarily of iron and nickel. But not everyone is convinced. In the 17th century, some of the leading scientific minds of the time came up with a new theory—that the planet is actually hollow. This idea has proved incredibly durable.
Even today, there is a
small cadre of Hollow Earth believers who are fighting valiantly to
validate their ideas through books, websites, meetings and some
extremely ambitious travel plans....<<<Read More>>>...
