Family

* Los Angeles County Fair--Exhibits, photography showcase, student arts and science projects, carnival, live music. Explore space at Star Trek: Earth Tour and Space Expo 2000, above, and other exhibits. Ends Sunday.

* 5th Annual Monterey Hills Jazz Festival--Featuring Bobby Rodriguez and the H.M.A Orchestra and the Angie Whitney Group at Via Marisol and Via Arbolada in Monterey Hills. Sunday, noon to 6 p.m.

* Doll and Train Show--Toy, Beanie Babies, Barbie and model train show Sunday from 9 a.m. to 2:30 p.m. in Stanton.