Petrified Forest National ... some of their remains at the Rainbow Forest Museum, a low beige building that blends into the vast expanses of desert around it. Fluorescent lights shine on skeletons ...

Are you curious about the route from Saguaro to Petrified Forest? Located in Arizona ... wide variety of desert plants and cacti from around the world in one beautiful setting.

In places like Petrified Forest, where climate change is preserved as a record in the rock, we have a standard that we can use to compare against changes that we're actually observing around us today.

Petrified Forest is best known for its ancient trees that have crystallized over 225 million years into rainbow colors. The park also features fossils from huge 18-foot crocodile-like creatures known ...