The Museum & Arts Center in the Sequim-Dungeness Valley (MAC) is celebrating its volunteers with a Volunteer Appreciation BBQ from 1-4 p.m. Sunday, Sept. 29, at its historical Dungeness Schoolhouse, 2781 Towne Road in Sequim. Lunch, including vegetarian options, is provided and the Eden Valley Strummers will supply the musical entertainment. Volunteers may bring guests and are asked to RSVP to MAC Exhibit Center manager Steph Ellyas at 683-8110 or steph@macsequim.org. More than 100 people volunteer for the MAC organization across its four Sequim facilities – the MAC Exhibit Center, Dungeness Schoolhouse, Second Chance Consignment Shop and DeWitt Administration Center.