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.

Located within parts of Wyoming, Montana, and Idaho, Yellowstone National Park truly deserves the honor of being designated ...

Today's the day — the West Entrance to Yellowstone National Park opens in West Yellowstone, and tomorrow kicks off National ...

Researchers have identified a stable, gas-venting magma cap beneath Yellowstone, reducing eruption risk and advancing ...

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 ...