Old Faithful Tours on West Broadway operates guided day trips to Yellowstone National Park's most iconic geothermal features, including the legendary Old Faithful geyser, the Grand Prismatic Spring, and the Norris Geyser Basin. Their guides are naturalist-trained and bring the science and wonder of Yellowstone's volcanic landscape to life in a way that a self-guided visit simply cannot replicate. A well-organized and enriching day out.