Sunday 18 HISTORIC CABIN TOUR, join a park historian to examine cabins in the park. Sponsored by the National Park Service. 2-4 p.m., Camp 3 Parking Lot, Prince William Forest Park, Park Entrance ...

BILINGUAL STORY, in Spanish and English, for children 2-5, sponsored by the Prince William Public Library System. 10:15 a.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.