Obscure Unsolved Mysteries Iceberg (Unexplained Phenomena) Layer III: Part I

This is layer three of the first category of the Obscure Unsolved Mysteries Iceberg, focusing solely on Unexplained Phenomena. From underground piles of rocks, mysterious icebound objects, we have a bit of everything this week! Join the discussion on our Discord at https://discord.gg/3FvTJKAma9. Support our Patreon at https://www.patreon.com/theknownunknowns to get a range of special bonus content.