St. Mary's County Fair
Southern Maryland fairs continue with today's opening of the St. Mary's County Fair in Leonardtown. The heritage of rural life is celebrated with home arts, livestock, garden displays, 4-H exhibits, contests, carnival rides, entertainment and local food favorites. The four-day fair runs 3-9 p.m. today, 9 a.m.-9 p.m. tomorrow and Saturday, and 9 a.m.-6 p.m. Sunday. Fairgrounds Road, Leonardtown. Adults, $5; ages 6-16, $1; 5 and younger, free. Tomorrow is Student Day, with all county students admitted free until 6 p.m., and all rides will cost one ticket. On other days, the number of tickets per ride vary. 301-475-2256.
Build a Scarecrow
Learn the traditions and lore behind the use of scarecrows in various cultures of the world then construct your own make-and-take-home cornhusk stand-up using products of the harvest Saturday in Calvert County. Bring clothes and add-ons from home to dress and accessorize your scarecrows. Each scarecrow costs $8 ($5 each for Battle Creek Nature Education Society members). 2-3:30 p.m. Battle Creek Cypress Swamp, 2880 Grays Rd., Prince Frederick. Reservations required. 410-535-5327.
Nanjemoy Heritage Day
The Nanjemoy Community Center plays host Saturday to the fourth annual Nanjemoy Heritage Day. A celebration of rural life, the event features history, culture, arts and crafts, children's activities, a parade of custom and classic cars, a blues concert by Steve Potter and gospel music by the Willis S. Wall Male Chorus. Retired Washington Redskin Darryl Grant will be on site to sign autographs. Refreshments will be available to purchase throughout the afternoon. From noon to 4 p.m. Nanjemoy Community Center, 4375 Port Tobacco Rd., Nanjemoy. No admission fee. 301-753-1647, 301-246-9612, Maryland Relay Service 711, TDD at 800-735-2258 or www.charlescounty.org.