“Onyx Bridge is a dramatic example of petrified wood” found in a layer of rock that dates back 210 million years, the National Park Service reports. National Park Service photo One of the world’s most ...

All Texas county seats have historic roots, but they can’t touch Glen Rose. Its roots reach back 110 million years to the forests that once covered Central Texas. Those trees are seen today in ...

The Pacific Northwest has a fascinating landscape, shaped by ages of fire and floods. It’s possible to see this geological history come to life at the Ginkgo Petrified Forest State Park, just about an ...

HOLBROOK – The first letter turned up at Petrified Forest National Monument in 1935 all the way from Budaun, India. It was addressed to "The Officer in Charge." " Dear Sir," it began, the words ...

Petrified wood is a fossil that is the remains of ancient vegetation, most commonly ancient trees. It occurs by a natural action known as permineralization, a process in which mineral deposits take on ...