Visit this area of the White Mountains in California's Sierra Nevada region, where you can hike and see trees that predate ...

Pitch Pine Pitch pine trees (Pinus rigida) grow along the eastern North American coast and as far south as northern Georgia. This species thrives in a humid climate and on sandy, shallow soils.

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

The tree, which is over 4,800 years old, is found in a grove of other trees, but its exact location is kept a secret.