At this time of year, there are many Corn mazes and Pumpkin Patches and hay rides around. One farm near here used to sponsor a scarecrow contest near halloween, but has stopped offering that. Do you have
any activities like this near you?

http://www.americantowns.com/ca/sacramento/news/pumpkin-patch-farms-and-pumpkin-picking-guide-for-california-ca-10765

http://www.pumpkinpatchesandmore.org/CApsanfran.php

http://www.themaize.com/

http://www.severscornmaze.com/

http://www.pumpkinmaze.com/

http://www.coolpatchpumpkins.com/

then, after you get the pumpkin you have to carve it!

and when you put alight inside it, it becomes a jack-o-lantern
http://pumpkins.gusick.com/

http://www.pumpkin-carving.com/