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

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

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 ...

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 ...