Explore a little-known Pennsylvania arboretum where a treetop canopy walk lets visitors stroll above the trees for a truly unique experience.

The Pennsylvania legislature designated the eastern hemlock the official state tree on June 22, 1931.This tree thrives in cool, moist sites. It occupies steep north- or east-facing slopes in southern ...

A Pennsylvania teacher and forester has completed his goal of climbing a tree atop the highest point he could access in all 67 of the state’s counties. Van Wagner’s journey started close to home in ...