This 49 slide PowerPoint features the author’s original photographs, video, and text on many of the geothermal features in Yellowstone Park. The presentation begins with the hot lake bed of Yellowstone Lake and facts about the magma bed that lies beneath the park. It continues with an explanation of a volcanic caldera. There are numerous pictures and text on the boiling hot springs, paint pots/mud pots, water features, geyser basins, bacteria mats, and the most famous feature of all-the Old Faithful Geyser. By clicking on the picture when instructed, you can view a video of Old Faithful erupting. There is information about the dangers of these geothermal features and diagrams of the formation of mud pots, hots springs, and geysers. Finally, the author shows some of the animals that make this harsh land their habitat. Take your students on a trip through this volcanic hot spot.