Step 1 : Introduction to the question "To get to the nation's first national park, established in 1872, take Hwy 191 south from Bozeman. Name the park."
...Yellowstone is in three US states: Montana, Idaho, and Wyoming (bulk of the land). Preserved within Yellowstone National Park are Old Faithful, a collection of the world's most extraordinary geysers and hot springs, and the Grand Canyon of the Yellowstone.