* "The Mystery of the Crystal Skulls" (2008)
* "Mysteries of Ancient America" (2009)
* "The Seven Secrets of Machu Picchu" (2010)
* "The Extraterrestrial Origin of the Inca Empire" (2011)
* "The Ancient Astronaut Theory: A Scientific Perspective" (2012)
* "The Great Sphinx: Secrets of the Ancient World" (2013)
* "Atlantis: The Truth Behind the Legend" (2014)
* "Lemuria: The Lost Continent of the Pacific" (2015)
* "The Hollow Earth: A History of Underground Civilizations" (2016)
* "The Bermuda Triangle: Unsolved Mysteries of the Deep" (2017)
Documentaries
* "The Mystery of the Crystal Skulls" (2008)
* "Mysteries of Ancient America" (2009)
* "The Seven Secrets of Machu Picchu" (2010)
* "The Extraterrestrial Origin of the Inca Empire" (2011)
* "The Ancient Astronaut Theory: A Scientific Perspective" (2012)
* "The Great Sphinx: Secrets of the Ancient World" (2013)
* "Atlantis: The Truth Behind the Legend" (2014)
* "Lemuria: The Lost Continent of the Pacific" (2015)
* "The Hollow Earth: A History of Underground Civilizations" (2016)
* "The Bermuda Triangle: Unsolved Mysteries of the Deep" (2017)
Articles
* "The Mystery of the Crystal Skulls" (_Atlantis Rising_, March/April 2008)
* "Mysteries of Ancient America" (_Atlantis Rising_, May/June 2009)
* "The Seven Secrets of Machu Picchu" (_Atlantis Rising_, July/August 2010)
* "The Extraterrestrial Origin of the Inca Empire" (_Atlantis Rising_, September/October 2011)
* "The Ancient Astronaut Theory: A Scientific Perspective" (_Atlantis Rising_, November/December 2012)
* "The Great Sphinx: Secrets of the Ancient World" (_Atlantis Rising_, January/February 2013)
* "Atlantis: The Truth Behind the Legend" (_Atlantis Rising_, March/April 2014)
* "Lemuria: The Lost Continent of the Pacific" (_Atlantis Rising_, May/June 2015)
* "The Hollow Earth: A History of Underground Civilizations" (_Atlantis Rising_, July/August 2016)
* "The Bermuda Triangle: Unsolved Mysteries of the Deep" (_Atlantis Rising_, September/October 2017)