Learn about DC’s haunted spaces on a Ghost Story Tour. The interactive tour begins at Lafayette Square, across from the White House, where participants meet the costumed spirits rumored to haunt it. Characters along the way will share spooky tales about the historic spots. October 19, 20, 26, 27, and 28: Friday and Sunday at 8, Saturday at 6 and 8. Tickets are $10, under age 17 $5. McPherson Square Metro, Vermont Ave. and I St., NW; 301-588-9255; historicstrolls.com.
Alexandria has its ghostly legends, too. Old Town’s Ghost and Graveyard Tours point out the 18th-century buildings where some take place. One-hour walking tours depart from the Ramsay House visitors center nightly at 7:30 through November 1; additional tours held at 9 pm every Friday and Saturday and October 28 through 31. Admission is $10, under age 18 $5, under age seven free. 221 King St., Alexandria; 703-519-1749; alexcolonialtours.com.
As if roller coasters weren’t scary enough, Six Flags America offers Fright Fest in October, with themed entertainment. It takes place every Saturday and Sunday through October 28, 1 to 10 pm, and October 26, 5 to 10 pm. General admission is $49.99, under 54 inches tall $34.99, under age three free. 13710 Central Ave., Mitchellville; 301-249-1500; sixflags.com/america.
On Saturday, October 27, Glen Echo’s Fall Frolic is Halloween-themed fun. From 1 to 4, the park fills with kids—and parents—in costume for pumpkin painting, treat-bag decorating, trick-or-treating, and a parade. 7300 MacArthur Blvd., Glen Echo; 301-634-2222; glenechopark.org.