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.

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a ...

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 ...

Geologists have mapped more than 100 major hydrothermal areas in Yellowstone National Park, and there are many more than 10,000 hydrothermal features within its boundaries. The activity from these ...

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 ...

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 ...