Where is the world's largest, most explosive, and most unusual volcano? It's Yellowstone National Park. The Yellowstone area has had a history of super eruptions and a large caldera. Learn more about the geologic history of this amazing volcano. Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students' questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.Visit the Science Trek website for facts, games, and teacher resources!