• Jasper Forest is magical in twilight, particularly the logs on stone pedestals

    Petrified Forest

    National Park Arizona

Petrified Forest is a Science Park!

Best known for globally significant Late Triassic fossils, the park attracts many researchers. Geologists study the multi-hued Chinle Formation. Archeologists research over 13,000 years of history. Biologists explore one of the best remnants of native Arizona grassland. Air quality is an ongoing study in the park. Discover your own passion at Petrified Forest!

Did You Know?

Agate House pueblo made with petrified wood chunks

Petrified wood was so abundant when the ancestral Puebloan people were living in the area that they used it not only for stone tools but also as building material, such as the "brick" used in Agate House at Petrified Forest National Park.