Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

The best way to get around Yellowstone National Park is by car ... so you'll want to use an official Yellowstone map (available online or at the park's five visitor centers) or specific GPS ...

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

Of all the beautiful places across America, Yellowstone ... the decision to create a national park instead of a state park, as initially envisioned. “Because the boundaries of the parks were ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... beyond the boundaries of Yellowstone and ...

The publication of the Nomination file, including the maps and names, does not imply the expression of any opinion whatsoever of the World Heritage Committee or of the Secretariat of UNESCO concerning ...

The publication of the Nomination file, including the maps and names, does not imply the expression of any opinion whatsoever of the World Heritage Committee or of the Secretariat of UNESCO concerning ...

Grant signed the bill creating Yellowstone Park, the first national park in the history ... for the elk and buffalo by conforming the park's boundaries to their seasonal migrations.