During the fall, trees change color and then lose their leaves. This is in preparation for the winter ... Most of the trees are broadleaf trees such as oak, maple, beech, hickory and chestnut. There ...

The year is 1700, most of Pennsylvania is still covered in forests of American chestnut, white and red oaks, Eastern Hemlocks ...

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.