Park Service challenged with appealing to digital generation without giving in to commercialization

Lovers of the outdoors or American history have surely set foot in the bounds of the National Park Service (NPS) at some point, whether on a hike through the Appalachian Trail or Death Valley National Park, or a visit to the White House or homes of past presidents like John Adams or FDR.

But NPS visitation, at about 275 million a year, is stagnating, says David Barna, NPS ...