There are multiple buildings and places to visit while you're in Shenandoah National Park.
Dickey Ridge Visitor Center
Elkswallow Wayside and Picnic Grounds
Matthew's Arm Campground
Pinnacles Picnic Grounds
Big Meadows Wayside, Lodge, Visitor Center, and Campground
Lewis Mountain Campground
South River Picnic Grounds
Loft Mountain Wayside and Campground
Dundo Picnic Grounds
Please visit here for more information regarding all the places you can visit while you're in the park.