Quarter-sized hail after a particularly intense thunderstorm in State College, PA.

Succession is causing Hickory Run State Park's Boulder Field to shrink, albeit quite slowly, as trees take root amongst the rocks.  The field, which is the size of ten football fields, is believed to have been formed during the last ice age.

Winter 2015 has had its share of days with below freezing temperatures, ice, snow, and freezing rain.  But some of the moments in the early morning sun show the beauty of this season.  This photo was taken on the historic Davis Estate along Rocky Run in Media, PA.

Winter 2014 is a season we won't forget very soon in Pennsylvania.  Southeastern Pennsylvania was hit especially hard, with periods of melting creating some impressive icicles, such as those seen here hanging from the room of Lachford Hall at Tyler Arboretum in Media, PA.