Joshua Citarella joins for another edition of Deep Research. This week he is investigating Tartaria, a vast conspiracy theory based around the belief of an advanced civilization that has been erased from history. For the full episode, more bonus episodes of the show and access to the Otherworld Discord, sign up for the Otherworld Patreon at www.patreon.com/otherworld To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices