The whole Earth is not solid but everywhere gaping, and hollowed with empty rooms and spaces, and hidden burrows. An unusual map of South America showing a giant imaginary aquifer in the Andes Mountains, from Mundis Subterraneus (The Underground World) by Athanasius Kircher, 1665

The whole Earth is not solid but everywhere gaping, and hollowed with empty rooms and spaces, and hidden burrows. An unusual map of South America showing a giant imaginary aquifer in the Andes Mountains, from Mundis Subterraneus (The Underground World) by Athanasius Kircher, 1665