ARIZONA (KGUN) — The Petrified Forest National Park was formed more than 200 million years ago from at least a dozen different species of trees, some of which approached nearly 200 feet in height.

Arizona is home to more than three dozen national parks, sites and monuments. These 10 easy to moderate hikes show off the ...

Of Arizona’s three national parks, Petrified Forest is the least visited. That’s a shame, since it is absolutely stunning. Though named after the fields of petrified wood, that’s only one reason to ...

Petrified Forest National Park is the only national park in the U.S. with a section of old Route 66. The park is also home to a "rainbow" forest, which has colorful tree fossils that are more than 200 ...

In an earlier Ask a Ranger column, I wrote about the topic of geoheritage sites — places of special cultural, scientific, educational or aesthetic value — and what makes those places important to ...

You can get your kicks at Petrified Forest National Park. Petrified Forest National Park is the only national park in the U.S. with a section of old Route 66. The park is also home to a "rainbow" ...