The titles “America’s First National Park” and the “World’s First National Park” both fit in to Yellowstone National Park in Wyoming, a park so massive that it is also shared by Montana and Idaho. In fact, at just over 3400 square miles, Yellowstone Park is outsized than the state of Rhode Island. Established in 1872, Yellowstone Park attractions are plentiful; from amazing wildlife like grizzlies, elk and wolves to extraordinary geothermal features like fumaroles, mud pots and geysers. The park was created to shelter the many geological features and archaeological treasures contained within its precincts. Explore each area within the park for a unique experience and visit sites like Old Faithful, Mammoth Hot Springs and Grand Canyon of Yellowstone.