But long before they became petrified, the trees were thriving pine-tree types (although no petrified pine cones have ever been found). They sprouted from a lowland watered by all kinds of rivers ...

While the late Wallace Stegner is said to have coined the phrase that national parks are America's best idea, not all park ...

Rangers also found 10 large pine cones, five pine cones with seeds, five large pieces of petrified tree, 63 rocks, a black and blue feather and a live plant with roots still attached, according to ...

PETRIFIED FOREST NATIONAL PARK, Ariz.–Back when Barbara Walters inquired of celebrities, “If you were a tree . . .,” no one ever replied, “araucarioxylon arizonicum.”That would have made ...

PETRIFIED FOREST NATIONAL PARK, Ariz.–Back when Barbara Walters inquired of celebrities, “If you were a tree . . .,” no one ever replied, “araucarioxylon arizonicum.” That would have ...

Rangers also found 10 large pine cones, five pine cones with seeds, five large pieces of petrified tree, 63 rocks, a black and blue feather and a live plant with roots still attached, according to ...