This left a gap in the fossil record, but Petrified Forest National Park didn’t get its name for nothing: The volcanic ash that burst from California’s Mojave Desert ended up in northeast Arizona’s ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

Overshadowed by the Grand Canyon, this quiet desert park might just surprise you. From rainbow-colored badlands to Route 66 ...

Petrified Forest National Park is world- renowned for its petrified wood deposits, but much less known for its mining history and potash deposits.

Adam Marsh, lead paleontologist at Petrified Forest National Park, discovered the oldest fossil frog in North America with a magnifying glass.

Buy a rare 500-acre petrified forest estate in Calistoga, Northern California. A historic landmark, it’s a serene retreat in the heart of wine country.

No reason to let the weather stop you from visiting a national park! There's plenty to do even when it rains.

President Donald Trump signed an executive order on Thursday to increase entrance fees at U.S. national parks for visitors from other countries, even as his administration seeks to cut national ...

The Trump administration will strip protections that prevent logging on nearly 59 million acres of National Forest System lands, Agriculture Secretary Brooke Rollins announced Monday. Rollins made … ...