For any history nerd, I'm sure you're already well-acquainted with this gem of a podcast. Holly Frey and Tracy Wilson bring to you exactly what the name entails: a deep dive into all of the forgotten topics in your history class. Using their extensive research, the podcasters take you through an array of new topics, with everything from the story of the last queen of the Hawaiian Kingdom, to the history of hypertension, zippers, monarch butterflies and more.—A.H.