Of course, there’s the famous petrified pieces of trees that have transformed into rock, making this a unique place in Utah ...

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 ...

Whilst staying in Andamooka, South Australia, in 1966, searching for opals around the mouth of an opal mine ('noodling')I found a small stone tool made from petrified wood. The wood clearly shows ...

Visitors can explore ancient petrified wood and the Painted Desert at Petrified Forest, while Saguaro boasts towering cacti. Smaller and less crowded than the Grand Canyon, these parks provide ...