Petrified Forest National Park is a time capsule filled with ancient trees that have crystallized over millions of years, essentially turning to stone. What secrets do these fossilized ecosystems ...

The petrified tree is thought to have been moved to its current position ... and their preserved structures can provide clues about the ancient environments they lived in. The Museum's palaeobotany ...

Most visitors drive from one end to the other, perhaps stopping to wander loops lined with petrified tree specimens ... that scurried through these ancient forests and flood plains weren ...

In one corner of the Early Life hall of Smithsonian's National Museum of Natural History stand two petrified tree trunks. They are 207 million years old, stony relics of an ancient conifer ...

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 ...

While most come to see one of the world's largest concentrations of brilliantly colored petrified wood, many leave having glimpsed something more. The current 346 square miles of Petrified Forest ...

Like the name suggests, this state park is home to rare petrified ginkgo trees (Ginkgo biloba), a species of tree so ancient it's widely referred to as a "living fossil." Nowadays, ginkgos grow in ...

Arizona's Petrified Forest and Saguaro National Parks offer unique landscapes just as captivating as the Grand Canyon. Visitors can explore ancient petrified wood and the Painted Desert at ...

(via PBS Terra) Locked within the stones and fossils of Petrified Forest National Park lies a record of life, death, and resilience during one of Earth's most extreme periods of environmental change.