This page contains a couple of videos and a list of selected books related to the Hollow Earth theory. Of course other books, videos and webpages are also available.
Could there be another world deep within our own planet?
Clip from Season 10, Episode 6 “The Other Earth”, Ancient Aliens, the History channel
- The Land of No Horizon – the Inner Earth holds the secret to the origins of humanity (by Taylor & Taylor, 2001) Amazon.com
- Is Earth Really a Solid?: The Evidence Reexamined (by Oliver Milatovic) Amazon.co.uk
- World Top Secret: our Earth IS Hollow! (by Rodney M Cluff) Amazon.co.uk
- Lost Continents & The Hollow Earth (by David Hatched Childress, 1999) Amazon.co.uk