180. Hollow Earth 4: Life & Flying Saucers (4 Year Anniversary)

Today we celebrate IRH turning 4 by jumping into our fourth and final installment on our 4 part series dedicated to the concept of the Hollow Earth. And of course, we left the best for last as we get unwrap our research on the lifeforms, civilizations, and flying saucers that call the underworld home. Welcome back to Infinite Rabbit Hole! infiniterabbithole.com