Dungeons and Dragons campaigns can benefit from using real history. My guest today, Tristan Zimmerman, explains how you can use real history to improve your D&D and other tabletop RPG sessions. Also, we take one historical example and discuss how it could be used in a D&D campaign, a Call of Cthulhu adventure, and a sci-fi setting. Get ready to learn about the Missouri Leviathan and a "fossil showman."