View from highway View from highway driving East. Grand Army of the Republic Highway Pennsylvania's 4.5 million acres of public lands include the finest woodlands and natural areas in America. Our name itself means "Penn's Woods" and our public estate is just that, often mountainous and filled with a myriad of creatures, plants and natural wonders. And, what's more - you're never more than 15 minutes away from one of our state parks, state forests or game lands. We invite you to explore all the natural splendor that Pennsylvania has to offer.