Recurring Guest Characters Host 1 guest appearances Author 4 guest appearances Professor of Anthropology, USC 3 guest appearances Prof. Emeritus of History, University of Idaho 2 guest appearances Associate Professor of Folklore, Utah State University 2 guest appearances Author, Stone Circles: Around the World 2 guest appearances Co-Author, The Forbidden Treasure 2 guest appearances Cryptozoologist 2 guest appearances Physicist 1 guest appearances Astrophysicist 1 guest appearances Professor of Anthropology 1 guest appearances Physicist, Univ. of California, Irvine 1 guest appearances Maritime Archaeologist 1 guest appearances Folklorist 1 guest appearances Missing Persons Investigator 1 guest appearances Professor of Planetary Sciences, California Institute of Technology 1 guest appearances Author, George Washington: National Treasure 1 guest appearances Author, Solomon's Builders: Freemasons, Founding Fathers and the Secrets of Washington D.C. 1 guest appearances Grand Master, Grand Lodge of DC (2007-2008) 1 guest appearances Grand Historian, DC Scottish Rite 1 guest appearances ⇤ « 1 2 3 » ⇥
Author, Solomon's Builders: Freemasons, Founding Fathers and the Secrets of Washington D.C. 1 guest appearances