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 ...

There are only a few dining spots inside the park, and they tend to be pricier. However, there are also great options outside ...

It really feels more like four or five parks with vastly different landscapes including forested mountains, bubbling mudpots ...

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.