Himself, Himself - Author, Himself - Author, Chariots of the Gods?, Himself - Author, Chariots of the Gods

Himself - Archaeologist, Himself - Director, Himself - Director, Maya Exploration Center

Himself

Himself - Investigative Reporter

Himself - Author

Himself - Eyewitness

Herself - Curator

Herself - Author, Herself - Founder, Mediterranian Institute for Ancient Civilizations

Herself - Astrophysicist

Himself - Author

Herself, Herself - Investigative Journalist, Herself - Investigative Journalist, Earthfiles