Petrified Forest National Park is the kind of place that sneaks up on you. As you cruise at a brisk 80 miles an hour along Highway 40 in Arizona, a sea of sage, rabbitbush and grass stretches ...

The park entrance is in Utah, but the most familiar rock formations are in Arizona. The site is not a national park, like nearby Canyonlands, in Utah, and the Grand Canyon, in Arizona, but one of ...