This article comes to us courtesy of SF Station.

By Matt Crawford

With all of the World Series excitement, it's hard to escape the baseball buzz in SF -- but the free events continue as we approach Halloween. 1015 Folsom hosts a free party with rockers Yeasayer working the DJ booth and a handful of local DJs. The International Vintage Poster Fair returns with more than 10,000 posters at Fort Mason and Noe Valley gets dressed up for the Harvest Festival.

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  • World Series

    A seat at the game comes with a hefty price tag, but patient fans can at least get a glimpse of the game through the outfield fence at AT&T Park. If that fails, there's <a href="http://www.sfstation.com/san-francisco-giants-vs-detroit-tigers-e1744171">always a TV nearby</a> with a free broadcast.

  • Free Halloween Party Featuring Yeasayer

    1015 Folsom kicks off a weekend full of Halloween parties with a <a href="http://www.sfstation.com/free-halloween-party-ft-yeasayer-e1741251">free DJ set by Yeasayer</a> and performances by Labyrinth, Blackbird Blackbird and more.

  • International Vintage Poster Fair

    If there's one place to escape the baseball fanatics in SF <a href="http://www.sfstation.com/san-francisco-international-vintage-poster-fair-e1386482">this is probably it</a>. Fort Mason hosts more than 10,000 posters dating back to the 1890s.

  • Noe Valley Harvest Festival

    Noe Valley welcomes <a href="http://www.sfstation.com/noe-valley-harvest-festival-2012-e1406631">more than 50 artists</a>, live music and a pumpkin patch.

  • Yerba Buena Halloween Hoopla

    Yerba Buena Children's Garden celebrates Halloween with a <a href="http://www.sfstation.com/11th-yerba-buena-halloween-hoopla-and-costume-walk-e1556042">party for the kiddos</a> with eco-friendly crafts and a costume parade.