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.

Yellowstone National Park is known for its large population of grizzly bears – but have you wondered how large those grizzlies can get? In this amazing video you will learn the size and weight of the ...

Visit Yellowstone National Park in summer, and you’ll be, literally, one in a million. Stop by in winter to see Old Faithful ...

Despite the fact that the new national park comprised more than 2 million ... from politicians who believed that Yellowstone was already too big. In Washington, Grinnell took on the railroad ...

Native peoples moved in and out of the area that was to become Yellowstone National Park for ceremonies, hunting, and the medicines, minerals, and plants found there. Yellowstone was established as ...