For the week of March 5 on North Carolina Weekend, “Fitness Files” visits Rocky Knob Mountain Bike Park in Boone. “Collecting Carolina” tours the John Campbell Folk School. Check out the centennial celebrations for the Duke Mansion in Charlotte. And tempt your taste buds at Crafted in Greensboro. (Please note: listings are subject to change.) North Carolina Weekend is underwritten by Visit North Carolina. In addition, UNC-TV has made recent editions of North Carolina Weekend available online..