War and Peace tintypes,an exhibit of portraits by Melissa Cacciola depicting 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,” the exhibit features 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. 703-494-0584.
Remembering the Great War, Prince William County Historic Preservation Division commemorates the 100th anniversary of the outbreak of World War I, highlighting the role played by local soldiers and residents. 11 a.m.-4 p.m., Ben Lomond Historic Site, 10321 Sudley Manor Dr., Manassas. $7, children 6 and younger free. 703-367-7872.
Author Dan Verner, a discussion of his book “On Wings of the Morning.” 2 p.m., Manassas Museum, 9101 Prince William St., Manassas. Free. 703-368-1873.
Bingo, proceeds support local veterans. Doors open at noon on Sunday with games beginning at 2 p.m. Doors open at 5:15 p.m. Mondays with games beginning at 7:15 p.m., Woodbridge American Legion, 3640 Friendly Post Lane, Woodbridge. $15 minimum. 703-494-4304.
Concert and ice cream social, Sol Roots Band performs. Bring a blanket or a lawn chair and enjoy ice cream after the concert. 3 p.m., Loy E. Harris Pavilion, 9201 Center St., Manassas. Free. 703-361-9800 or www.pwcb.org.
Ballroom dancing, a Samba dance lesson followed by music and dancing. 3:30-6 p.m., Candy Factory, Kellar Theater, 9419 Battle St., Manassas. Lesson and dance, $15; open dance, $10. 703-330-2787 or www.center-for-the-arts.org.
“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.
Old Town Manassas walking tour, led by costumed interpreters. 11 a.m. Mondays-Saturdays, Manassas Museum, 9101 Prince William St. $5. 703-368-1873.
Job search network group, plus discussion of various topics related to the search process. 1-3 p.m. Mondays, House of Mercy, 8170 Flannery Ct., Manassas. Free. 703-659-1636.
Lake Jackson Mid County Lions Club meeting, 6:30 p.m., Great American Steak and Buffet, 8365 Sudley Rd., Manassas. Free. 703-369-6791.
Prince William Community Band, rehearsal, for musicians 19 and older, no auditions necessary. 7:30 p.m., Saunders Middle School, 13557 Spriggs Rd., Manassas. Free. 703-791-4119 or www.pwcb.org.
Manassas farmers market, 5-8 p.m. Tuesdays and 7:30 a.m.-1 p.m. Thursdays, 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.
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.
Towne Ball game, in conjunction with the Manassas City Police Department and National Night Out, watch or play the 19th-century game of Towne Ball. 6-8 p.m., Manassas Museum, 9101 Prince William St. Free. 703-368-1873.
Potomac Nationals, The P-Nats host Winston-Salem for three games. 7:05 p.m., G. Richard Pfitzner Stadium, 7 County Complex Ct., Woodbridge. $9-$16. 703-590-2311 or www.potomacnationals.com.
“The Music Box,” Synetic Theater performs a collection of short stories using pantomime, illusions and physical comedy. 11 a.m., Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. $15, children $5. 703-993-7759.
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.
Spanish chat, bring lunch and practice speaking Spanish. Noon-2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-792-8360.
Book signing, Robin Hutton signs copies of her book “Sgt. Reckless: America’s War Horse.” 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, sponsored by Smart Markets. 3-7 p.m. Fridays, Smart Markets Lake Ridge, Oakwood Pool parking lot, 12619 Oakwood Dr. Free. 703-491-2154.
Prince William County Fair, the largest county fair in Virginia boasts agricultural and livestock exhibits, midway rides and games, entertainment, food vendors, truck and tractor pull, demolition derby, monster trucks and more. Friday, Monday and Wednesday at 5 p.m., Saturday and Sunday at noon, Tuesday at 2 p.m., 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 $2. 703-368-0173. www.pwcfair.com.
American Legion dinner, the public is invited to dinner with a different special every 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.
Home buyer seminar, presented by local 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.
Pyrite Mine hike, a 2.5-mile ranger-led moderately strenuous walk. Bring water. 10 a.m., Prince William Forest Park, Parking lot D, 18100 Park Headquarters Rd., Triangle. Free; park entrance fee, $5. 703-221-7181.
Family Day: Marines in Sports, Guests learn about Marines in sports and 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 fairly easy half-mile ranger-led walk. Bring water. 2 p.m., Prince William Forest Park, Visitors Center, 18100 Park Headquarters Rd., Triangle. 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.
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. Free, parking $5. 703-221-7181.
Early Virginia dinner, Colonial Williamsburg historian Wayne Randolph discusses the farming of tobacco 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.
Movie Night 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.