From 10 a.m. to 4 p.m. Saturday and Sunday, May 19 and 20, the U.S. Geological Survey holds its triennial open house of its Menlo Park campus at 345 Middlefield Road. Exhibits, demonstrations, presentations and activities gives insights ito the work done by USGS scientists at the headquarters for the Western United States.
Friends of the Mountain View Public Library are holding a book sale this weekend, May 19 and 20, in the Bookmobile garage, 585 Franklin St., Mountain View. Sale hours are 10 a.m.-4 p.m. Saturday, 11 a.m.-4 p.m. Sunday.
The Palo Alto Philharmonic is holding a family concert of music from the 1940 Disney film "Fantasia," including selections from Tchaikovsky's "Nutcracker Ballet" and Beethoven's "Pastoral Symphony." The performance is at 3 p.m. Sunday, May 20, at Cubberley Theatre, 4000 Middlefield Road, Palo Alto. $10 general, $5 students.