Dale City farmers market, 8 a.m.-1 p.m., Dale City Commuter Lot, (behind Center Plaza Shopping Center), Dale Boulevard. Free. 703-670-7112, Ext. 227 or www.pwcparks.org.
“9/11: We Remember,” features an I-beam from the World Trade Center, a Pentagon building fragment and more in commemoration of the anniversary of September 11, 2001. 9 a.m.-5 p.m. daily, National Museum of the Marine Corps, 18900 Jefferson Davis Hwy., Triangle. Free. 877-635-1775.
“Enduring Legacy: Liberia Plantation 1825-2013,” an exhibit detailing the history of one of the region’s largest plantations. 10 a.m.-5 p.m. Tuesdays-Sundays, Manassas Museum, 9101 Prince William St., Manassas. $5; seniors and children, $4; Baldwin students and their families, free. 703-368-1873.
“Now and Then,” oil paintings and sketches by Steve Myles of Oakton and woodturning and woodburning by Bob Horowitz of Falls Church. 11 a.m.-5 p.m. Sundays-Saturdays, through Aug. 5, Artists’ Undertaking, 309 Mill St., Occoquan. Free. 703-494-0584.
“Escapes,” Jackie Perry exhibits her paintings of places and objects that provide moments of escape. 11 a.m.-4 p.m. Tuesdays-Fridays, 11 a.m.-5 p.m. Saturdays and noon-5 p.m. Sundays, through Aug. 4, Loft Gallery, 313 Mill St., Occoquan. Free. 703-490-1117.
“Near and Far,” an exhibit of various interpretations by local photographers. 10 a.m.-5 p.m. Mondays-Fridays, 1-5 p.m. Saturdays, through July 31, Center for the Arts, Caton Merchant Family Art Gallery, 9419 Battle St., Manassas. Free. 703-330-2787 or www.center-for-the-arts.org.
“The Lion King,” bring a snack and watch the film. 11 a.m., Potomac Community Library, 2201 Opitz Blvd., Woodbridge. Free. 703-494-8126.
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.
“Macbeth” auditions, Castaways Repertory Theatre will hold auditions for its fall production. 7-9:30 p.m. Tuesday and Thursday, Dr. A.J. Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge. Free. 703-232-1710 or www.castawaystheatre.org.
Bull Run BookTalkers, the group discusses “Lottery” by Patricia Wood. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
Writers of children’s literature, new group members are welcome to share their writings and offer encouragement and constructive criticism. 7 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free. 703-792-4530.
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.
Blue Ridge Wildlife Center, wildlife rehabilitator Becky Shore introduces a turtle, a skunk and other animals that dig in the dirt. 3 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free, registration required. 703-792-4800.
Job search network group, in addition to networking, weekly meetings will cover various topics related to the job search process. 6-7:30 p.m., House of Mercy, 8170 Flannery Ct., Manassas. Free. 703-659-1636.
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.
Haunted Occoquan walking tour, paranormal investigator Kay Pietrewicz leads tours through the town. 8 p.m. Wednesdays-Fridays, 4 and 8 p.m. Saturdays, Occoquan Visitors Center, 200 Mill St. $12; children 6-12, $6; children 5 and younger, free. 571-572-9410 or www.haunted-occoquan.com.
Manassas farmers market, 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.
Spanish chat, bring lunch and practice speaking Spanish. Noon-2 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
Gainesville farmers market, 2-6 p.m. Thursdays, the Marque at Heritage Hunt, 13550 Heathcote Blvd., Gainesville. Free. 703-754-7711.
Dale City Civic Association meeting, 7:30 p.m., Birchdale Recreation Area, 14730 Birchdale Ave., Dale City. Free. 703-670-3291.
Thomas Jefferson Toastmasters Club, regular meeting. 7:30 p.m., Good Shepherd United Methodist Church, 14999 Birchdale Ave., Dale City. $66 annual dues. 703-590-2926.
Toastmasters International, Woodbridge club. 7:30 p.m., Ebenezer Baptist Church, 13020 Telegraph Rd., Woodbridge. $39 membership fee. 703-731-2120.
Library used book sale, sponsored by the Friends of Chinn Park Regional Library. 10 a.m.-4:30 p.m. Friday, 10 a.m.-1:30 p.m. Saturday, Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.
Manassas Park farmers market, 3-7 p.m. Fridays, Manassas Park City Hall, 1 Park Center Ct. Free. 703-335-8800.
Occoquan farmers market, 8 a.m.-noon Saturdays, Mill Street parking lot, next to Route 123 bridge, Occoquan. 703-491-1918.
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.
Bristoe Station Battlefield guided tours, learn about two Civil War battles that took place at the site in 1862 and 1863. 11 a.m.-3 p.m. second and fourth weekends of each month. Tours leave on the hour, Bristoe Station Battlefield Heritage Park, 10708 Bristow Rd., Bristow. Free. 703-366-3049 or www.pwcgov.org/historicsites.
Canoe tour, a ranger leads a guided tour on Powell’s Creek. 11 a.m., Leesylvania State Park, 2001 Daniel K. Ludwig Dr., Woodbridge. $9, registration required. 703-583-6904.
Nature trail walk, learn about native plants and animals on a guided walk. 1 p.m., Brentsville Courthouse Historic Centre, 12229 Bristow Rd., Bristow. $5. 703-365-7895.
Family movie night, “The Lorax.” Bring a blanket or lawn chair. 7 p.m. Saturdays, Stonebridge at Potomac Town Center, 14900 Potomac Town Pl., Woodbridge. Free. or www.stonebridgeptc.com.
— Compiled by Sarah Lane