The Manassas Museum presents its fourth annual "Haunting of Liberia Plantation." Tours of the mansion are offered every 30 minutes. 5:30-9:30 p.m. Saturday. Meet at the Manassas Museum, 9101 Prince William St. $15; museum associates, $12. For those 13 and older. 703-257-8264.
The Hills Are Alive . . .
Richard Rodgers and Oscar Hammerstein II's "The Sound of Music" is based on the real-life story of the Von Trapp Family Singers. 8 p.m. Tuesday-Friday, 8:30 p.m. Saturday, 7:30 p.m. Sunday, through Dec. 31. Lazy Susan Dinner Theatre, Route 1 off Interstate 95, Woodbridge. Saturdays, $36.95; other days, $34.95. Children 11-15, $30; children 10 and younger, $20. 703-550-7384 or www.lazysusan.com.
Snoopy, Lucy, Linus and the rest of the "Peanuts" gang contemplate life in Rooftop Production's season opener, "You're a Good Man, Charlie Brown." 8 p.m. Fridays and Saturdays, through Nov. 5. Kellar Theater, Center for the Arts, 9419 Battle St., Manassas. $15; students and senior citizens, $12. 703-330-2787 or www.center-for-the-arts.com.
Murder Most Foul
The Castaways Repertory Theatre performs "Ten Little Indians," an Agatha Christie classic. Ten strangers, brought together on a remote island by an unknown host, begin to die, one by one. 8 p.m. Fridays and Saturdays, 1 p.m. Oct. 29, through Nov 5. Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge. $14; senior citizens, students, military and Prince William County employees, $11; matinee, $10. 703-508-5418.
Photographer and reporter Bennie Scarton Jr. displays photographs from South America, Canada, Alaska and other locales. 8 a.m.-8 p.m. Monday-Thursday, 9 a.m.-5 p.m. Friday, 9 a.m.-1 p.m. Saturday, Monday through Nov. 28. Colgan Hall, Northern Virginia Community College, 6901 Sudley Rd., Manassas. Free. 703-257-6532.