58 National Parks
... that the United States has 58 National Parks in 29 states and territories, the first of which was Yellowstone National Park, created in 1872?
... that the United States has <b id="mwGDg"><a class="mw-redirect" href="./List_of_National_Parks_of_the_United_States" id="mwGDk" rel="mw:WikiLink" title="List of National Parks of the United States">58 National Parks</a></b> in 29 states and territories, the first of which was <a href="./Yellowstone_National_Park" id="mwGDo" rel="mw:WikiLink" title="Yellowstone National Park">Yellowstone National Park</a>, created in 1872?