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 ...

On March 1, 1872, President Ulysses S. Grant signed the bill creating Yellowstone Park, the first national park in the history of the world. Despite the fact that the new national park comprised ...