ALDIE HARVEST FESTIVAL: The village of Aldie celebrates its rural heritage with music, historic tours and food from a variety of vendors. 9 a.m.-5 p.m. Free; parking $5. One mile west of the intersection of routes 15 and 50, Aldie. 703-327-5313. www.villageofaldie.com.
OKTOBEERFEST: Rustico’s annual block party will feature 50 beers on draft, German-inspired food, music and family activities from Buzz Bakery. Noon-5 p.m. Free; tickets for food and drinks $1 each (food, 3 to 9 tickets; beer, 4 to 10). 827 Slaters Lane, Alexandria. 703-224-5051. www.rusticorestaurant.com.
FARM HARVEST FESTIVAL: Through Sunday, Ayrshire Farm hosts an open house with animals, hayrides, children’s activities and food, featuring its organic products. 10 a.m.-4 p.m. Free. 21846 Trappe Rd., Upperville. 540-687-3360. www.ayrshirefarm.com.
TASTE OF GEORGETOWN: More than 30 restaurants will participate in the street festival, also featuring a beverage pavilion and jazz. 11 a.m.-4 p.m. Tasting tickets $5 each or five for $20; beverage tickets $3 each or four for $10. Proceeds benefit Georgetown Ministry Center’s services supporting the homeless. Wisconsin Avenue and M Street NW. 202-298-9222. www.tasteofgeorgetown.com.
DINE OUT FOR FARMS: Through Oct. 22, restaurants participating in the American Farmland Trust’s Dine Out for Farms will educate patrons about farms and raise money for the organization’s work in land preservation. www.farmland.org/dineout-locate.
FARM-TO-TABLE DINNER: On the Potomac at Lansdowne Resort hosts a four-course wine-pairing dinner featuring meat and cheese from Fields of Athenry Farm. 6 p.m. $55, not including wine, tax and gratuity. 44050 Woodridge Pkwy., Leesburg. 703-729-4073. www.lansdowneresort.com.
“BAKING STYLE”: Women Chefs & Restaurateurs hosts cookbook author Lisa Yockelson to talk about her new book, “Baking Style,” at Ris. Food from the book will be served. 2-4 p.m. $75, including a signed copy of the book. 2275 L St. NW. 877-927-7787. www.womenchefs.org.
MICHAEL POLLAN LECTURE: The activist author of “In Defense of Food” kicks off Strathmore’s 2011-12 Speaker Series. 8 p.m. $35-$60. 5301 Tuckerman Lane, North Bethesda. 301-581-5100. www.strathmore.org.
THE VICES THAT MADE VIRGINIA: Arcadia Center for Sustainable Food & Agriculture hosts an event at the historic Woodlawn estate featuring regional food, wine, oysters, bourbon, beer and bluegrass. 4-8 p.m. $125, with proceeds benefiting Arcadia and Woodlawn. 9000 Richmond Hwy., Alexandria. 703-780-4000. www.arcadiafood.org.
MARTHA STEWART: The Smithsonian Resident Associates program presents an interview with lifestyle mogul Martha Stewart, who will also talk about home entertaining. 7 p.m. $35. DAR Constitution Hall, 1776 D St. NW. 202-633-3030. www.smithsonianassociates.org.
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