Explore the rugged terrain and rare plants at one of Arizona's newest and barely visited national monuments, a serene cactus forest in the middle of the desert.

Explore the newly converted Thattathikkanam Pine Garden Ecotourism project, a waste-free zone attracting tourists to Idukki's pine forest.

The current 346 square miles of Petrified Forest open a window on an environment more than 200 million years old, one radically different from today's grassland. Where you now see ravens soaring ...

Petrified Forest National Park may not ring a bell, even though more than half a million people visited last year, according to National Park Service data. “People come to Petrified Forest ...

If you drive just a few hours northeast from Phoenix to the Petrified Forest, it almost feels like you stepped onto a different planet — albeit a colorful one full of subtle scenic and scientific ...