When you stand at the edge of Hyner View State Park, it feels like Pennsylvania has stretched itself out just for you. Rolling mountains covered in endless green, the West Branch of the Susquehanna winding far below, and a sky so wide it makes you want to take flight. In fact, people do—Hyner View is one of the state’s most famous hang-gliding spots, where the bold launch themselves into the open air. I’ve been fortunate enough to see gliders taking off from the park’s summit and it is a sigh...