Some hikes feature jaw-dropping vistas, while others offer up unparalleled insights into natural history. This world-famous ...

Cheyenne Ingel, a scientist with the Desert Research Institute, says there’s a lot going on in a tree. She explains that trees help cool the environment through their own evaporative cooling process.

Less than 15 miles from the fire, the Ancient Bristlecone Pine Forest contains trees that are more than 4,000 years old. The Patriarch Tree is the world's largest bristlecone pine tree.