Todd is joined on this week's show by Hugh Newman. Hugh Newman is a world explorer, megalithomaniac and author of Earth Grids: The Secret Pattern of Gaia’s Sacred Sites(2008); co-author of Giants On Record: America’s Hidden History, Secrets in the Mounds and the Smithsonian Files with Jim Vieira (2015), Stone Circles (2017), and contributed to Megalith: Studies In Stone (2018). He is published in three 'Ancient Origins' e-books. He has been a regular guest on History Channel’s Ancient Aliens and Search for the Lost Giantsand has been on the BBC, Sky TV, Bosnian TV and is currently involved in Road 2 Ruins (US) and Ancient Tomorrow(US) documentary projects.

Gary A. David is an author and independent researcher who studies the archaeological ruins and rock art.

In 2006 after more than a decade of fieldwork and scholarly inquiry, his nonfiction book The Orion Zone: Ancient Star Cites of the American Southwest was published. This volume describes a pattern of Hopi villages and ruin sites that precisely mirrors Orion, with an ancient site corresponding to each major star in the constellation.

Todd is joined this week by Richard Cassaro, a Madrid-based author, lecturer, documentary filmmaker, and tour guide from New York City. His published books Written in Stone (2011), The Missing Link (2016), and Mayan Masonry (2018) offer rare insights into ancient megaliths, spirituality, mythology, magic, symbolism, secret societies, comparative religion and occult archaeology.