Explore the fascinating world of exotic terranes in the North Cascades through this engaging guest lecture by CWU Geology professor Nick Zentner. Delve into the complex geological history of the region, covering topics such as Baja BC, the North Cascades' formation, and the 200 to 50 million-year time window. Learn about NSF-funded research on the bedrock of North Cascades, understand the significance of various plutons, and grasp concepts like slab failure and slab windows. Discover the importance of superterranes, including Siletzia, Insular, and Intermontane, and their role in shaping the landscape. Gain insights into the Farallon Plate subduction and westward subduction processes. The lecture concludes with a Q&A session, allowing for a deeper understanding of this captivating geological subject.