The best deal in San Francisco – the California Academy of Science’s fall and spring free days – are coming up! Mark your calendars.

This weekend (September 16^th to 18^th) is free for everyone living in Bernal Heights, Castro, Cole Valley, Glen Park, the Haight, Lake Merced, the Mission, Noe Valley, and St. Francis Wood.

After that, Parkside and the Sunset are free September 30^th to October 2.

Chinatown, Marina, Nob Hill, North Beach, Presidio, the Richmond, Russian Hill, Seacliff, Telegraph Hill and Western Addition, you all get in free October 14^th to 16^th.

Then, Bayview, Hunters Point, Downtown, Hayes Valley, Ingleside, Excelsior, Mission Bay, Potrero Hill, SoMa, the Tenderloin, Treasure Island, and Vistacion Valley, you all get in free October 21^st to 23^rd.

Click on over to Cal Academy’s neighborhood free days page for more info. Also, be warned that the Planetarium is closed for upgrades from September 6^th to October 20^th, so many of us will miss it.

Enjoy the museum everyone!