Well on behalf of Central PA, welcome. Here is a site with some options for you...
http://www.tripcart.com/usa-regions/Eastern-Pennsylvania,Outdoor-Sports-Recreation.aspx#Guide||||||Top||||||||)
If your into mountain biking or want to get started, lots of great trails in PA, check out this site:
http://members.tripod.com/~gnebs1/index.html
Into skiing or kayaking, check this out...
http://gorp.away.com/gorp/location/cities/regions/pa_poconos.htm
Finally, if you have the need for a hike, this is the site for you...
http://www.trails.com/pennsylvania-trails.aspx
Best of luck in the Keystone State, contrary to popular opinion, there is a ton to do in PA! Enjoy!