The Hollow Earth is a concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond...

Hollow Earth Expedition is a pulp fiction role-playing game set in the fictitious Hollow Earth (see Hollow Earth theory), published by Exile Game Studio...

at the center of the Earth or otherwise deep below the surface. The genre is based on, and has in turn influenced, the Hollow Earth theory. The earliest...

The Hollow Earth is a concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Hollow Earth may also refer...

The Hollow Moon and the closely related Spaceship Moon are pseudoscientific hypotheses that propose that Earth's Moon is either wholly hollow or otherwise...

Kentucky into the core of the earth. Ideas presented in Etidorhpa include practical alchemy, secret Masonic orders, the Hollow Earth theory, and the concept...

Hollow Earth is the debut novel from sibling writing pair John Barrowman and Carole Barrowman which was published in the United Kingdom on 2 February 2012...

said to be located on the inner surface of the Earth. It is sometimes related to the belief in a hollow Earth and is a popular subject in esotericism. The...

the Hollow Earth and must unite again with Godzilla to stop the tyrannical Skar King and the powerful, frost-breathing Shimo from invading the Earth's surface...

Earth's center is a popular theme in science fiction. Some subterranean fiction involves traveling to the Earth's center and finding either a Hollow Earth...