Travel and vacation in style with National Park souvenir shirts, hoodies, tote bags and gifts. Yellowstone NP Established in 1872 in Wyoming on the Yellowstone Caldera, the first national park in the world has vast geothermal areas such as hot springs & geysers, the best-known being Old Faithful. The yellow-hued Grand Canyon of the Yellowstone River has numerous waterfalls, and four mountain ranges. There are almost 60 mammal species, including the gray wolf, grizzly bear, lynx, bison, and elk. Great gifts for the whole family!