Manassas farmers market, 7:30 a.m.-1 p.m. Thursdays and 5-8 p.m. Tuesdays, Loy E. Harris Pavilion, 9201 Center St., and 7:30 a.m.-1 p.m. Saturdays, Parking Lot B, West Street (next to the train station visitors center). 703-361-6599 or www.visitmanassas.org.
Old Town Manassas walking tour, led by costumed interpreters. 11 a.m. Thursdays-Saturdays, Mondays-Wednesdays, Manassas Museum, 9101 Prince William St. $5. 703-368-1873.
Spanish chat, bring lunch and practice speaking Spanish. Noon-2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-792-8360.
“Sgt. Reckless: America’s War Horse,” Robin Hutton signs copies of her book about a horse that was used by the Marine Corps during the Korean War. Noon-3 p.m. Friday-Saturday, National Museum of the Marine Corps, 18900 Jefferson Davis Hwy., Triangle. Free. 877-635-1775.
Lake Ridge farmers market,
3-7 p.m. Fridays, Smart Markets Lake Ridge, Oakwood Pool parking lot, 12619 Oakwood Dr. 703-491-2154.
Prince William County Fair, agricultural and livestock exhibits, midway rides and games, entertainment, food vendors, truck and tractor pull, demolition derby, monster trucks and more. 5 p.m. Friday, Monday and Wednesday, noon Saturday and Sunday, 2 p.m. Tuesday, through Aug. 16, Prince William County Fairgrounds, 10624 Dumfries Rd., Manassas. $10; seniors 60 and older and children 5-13 $5; age 4 and younger free. Tuesday, all admissions $2, all rides $2 per ride. 703-368-0173 or www.pwcfair.com.
American Legion dinner, different special each week. Proceeds support local veterans and the community. 5:30-7:30 p.m. Fridays, Woodbridge American Legion, 3640 Friendly Post Lane, Woodbridge. $5-$15. 703-494-4304 or www.vapost364.org.
Friday Family Movie, “Escape From Planet Earth.” 8:30 p.m., Loy E. Harris Pavilion, 9201 Center St., Manassas. Free. 703-361-9800.
Pyrite mine hike, a ranger leads a 21 / 2-mile, moderately strenuous walk. Bring water. 10 a.m. Saturday-Sunday, Prince William Forest Park, Parking Lot D, 18100 Park Headquarters Rd., Triangle. Hike, free; park entrance fee, $5. 703-221-7181.
Family Day: “Marines in Sports,” learn why sports are important to the Corps. Noon-3 p.m., National Museum of the Marine Corps, 18900 Jefferson Davis Hwy., Triangle. Free. 877-635-1775.
Birds of Piedmont Forest hike, a ranger leads an easy half-mile walk. Bring water. 2 p.m., Prince William Forest Park, Visitors Center, 18100 Park Headquarters Rd., Triangle. Program, free; park entrance fee, $5. 703-221-7181.
Manassas writers group, writers provide comments on one another’s works. 2 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4500.
Park trivia night, riddles and trivia on the trees found in the park. 6 p.m., Prince William Forest Park, Oak Ridge Campground Amphitheater, 18100 Park Headquarters Rd., Triangle. Program, free; parking $5. 703-221-7181.
Colonial dinner at Ben Lomond, Colonial Williamsburg historian Wayne Randolph discusses tobacco farming during a history-inspired dinner, with Virginia whiskey tastings. 7-9 p.m., Ben Lomond Historic Site, 10321 Sudley Manor Dr., Manassas. $50. 703-367-7872 or www.pwcgov.org/historicpreservation.
Family movie at Brentsville, bring a blanket or lawn chair to watch a family-oriented movie outdoors. 8 p.m., Brentsville Courthouse Historic Centre, 12229 Bristow Rd., Bristow. Free. 703-365-7895.
Home buyer seminar, presented by real estate broker Bob Hummer. 10 a.m.-1 p.m., Strayer University, 13385 Minnieville Rd., Woodbridge. Free. 703-878-4866 or www.military-realestate.com.
Bingo, proceeds support local veterans. Doors open at noon Sundays; games begin at 2 p.m. Doors open at 5:15 p.m. Mondays; games begin at 7:15 p.m., Woodbridge American Legion, 3640 Friendly Post Lane, Woodbridge. $15 minimum. 703-494-4304.
Concert and ice cream social, Jazz Faction performs. Bring a blanket or a lawn chair; ice cream served after the concert. 3 p.m., Loy E. Harris Pavilion, 9201 Center St., Manassas. Free. 703-361-9800 or www.pwcb.org.
“War and Peace” tintypes, an exhibit of portraits by Melissa Cacciola depicting service men and women from various backgrounds in the armed forces. 9 a.m.-5 p.m. daily, through Dec. 1, National Museum of the Marine Corps, 18900 Jefferson Davis Hwy., Triangle. Free. 877-635-1775.
“Angles and Curves” exhibit, lotus photographs printed on metal by Gerry Gantt, jewelry by Sherry Chaples and carved eggshells by Tina Kannapel. 11 a.m.-5 p.m. daily, through Sept. 1, Artists’ Undertaking, 309 Mill St., Occoquan. Free admission. 703-494-0584.
Job search network group, plus discussion of related topics. 1-3 p.m. Mondays, House of Mercy, 8170 Flannery Ct., Manassas. Free. 703-659-1636.
Bright Star Touring Theatre, “Once Upon a Time” tells the tales of “Cinderella” and “Jack and the Beanstalk.” 10:30 a.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge, 703-792-4800, and 3 p.m., Central Community Library, 8601 Mathis Ave., Manassas, 703-792-8360. Free.
Historical fiction book group, discussion of “The Secret History: A Novel of Empress Theodora,” set in 6th-century Constantinople, by Stephanie Thornton. 1 p.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge. Free. 703-792-8330.
“Take Out Tuesday” concert, buy dinner from a restaurant and listen to local musicians. 6-8 p.m. Tuesdays, through Aug. 26, Loy E. Harris Pavilion, 9201 Center St., Manassas. Free. 703-361-9800.
Bull Run BookTalkers, the group discusses “Me Before You,” by Jojo Moyes. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
Bankruptcy and collections talk, part of the Prince William County Bar Association Legal Series. 7 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.
Bright Star Touring Theatre, “Once Upon a Time” tells the tales of “Cinderella” and “Jack and the Beanstalk.” 10:30 a.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas, 703-792-4530, and 2 p.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge, 703-792-8330. Free.
“Responding to Nature,” paintings by local artists Judy Almond, Michele Franz and Genevieve Ivan. 10 a.m.-5 p.m. Mondays-Fridays, 1-5 p.m. Saturdays, through Sept. 10. Center for the Arts, Caton Merchant Family Gallery, 9419 Battle St., Manassas. Free. 703-330-2787 or www.center-for-the-arts.org.
English Conversation Club, new speakers of English practice their skills. 11 a.m. and 7 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.
Lake Ridge Toastmasters Club, an open house for Lake Ridge Club 8913. 7:30 p.m., Tall Oaks Community Center, 12298 Cotton Mill Dr. $62 membership fee. 703-491-3020.
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