The last stop of our 2016 Pennsylvania adventure took us to Shawnee State Park in Schellsburg, Pa. With nearly 300 campsites, this is quite a large campground with multiple loops–and based on the number of occupied campsites, it appears to be a popular destination! Find out what we discovered about trees, tunnels, and gravity hills while camping at this Pennsylvania campground. Campground: Shawnee State Park is in the