Armstrong, PA House for Sale

Before he helped save multiple species of endangered birds and championed the passage of the Endangered Species Act, conservationist Robert Porter Allen developed a love for nature growing up at a riverside home in Armstrong. More than a century later, the Pennsylvania township south of Williamsport can still stoke a similar affinity for the outdoors through the conserved areas spread across its rugged hills. The spot where Porter Allen grew up is now a nature area where hikers can see more than 100 species of birds, and even the water filtrati ...