In the 1820s, the Hollow Earth Theory had two powerful advocates. They went to the United States Congress to lobby…
May 7 2015
Dec 8 2014
Like aliens above, the notion that there's life below the Earth's crust is catnip to conspiracy theorists.
May 17 2011
I'll just say it up front: I'm a fan of hollow Earth stories like Journey to the Center of the Earth, and I am also…