HIPPIES ARE SCARY: The founder of the San Francisco Ghost Society is leading a walking tour through the Haight-Ashbury, a neighborhood full of ghosts and legends galore. Things get scary on Friday from 7 p.m. to 9 p.m. Tickets are $20.
SPRINT BETWEEN STADIUMS: Get your run on in San Francisco at Saturday's Stadium to Stadium 10K from AT&T Park to Candlestick. Registration is $30, and proceeds go to charity. The event goes from 8 a.m. to 11 a.m.
DASH FOR DIAMONDS: Want to win a diamond ring worth $15,000? David Clay Fine Jewelers has created a high-tech treasure hunt in San Francisco with clues and riddles delivered via text message. It all goes down on Saturday at 9:30 a.m. at Crissy Field.
SAVE THE SALMON: Help the dwindling salmon population along the California coast by joining in on a party. Salmon Aid 2009 runs Saturday and Sunday at Jack London Square but kicks off Friday night on Ocean Beach with a traditional wild salmon bake hosted by members of the Karuk, Yurok and Hoopa Indian tribes. Salmon will be ready to serve around 6:30 p.m. The festival features music, speakers and salmon for sale and aims to gain support for the removal of the lower four Klamath river dams.
HEAD TO TOE FUN: Take care of your mind and body at Hellyer Park in San Jose Saturday. Several agencies and organizations will be set up for Festival in the Park, where they will be sharing ways to eat nutritiously, make healthful life choices and how to best get in shape. There's also free food and entertainment, all kicking off at 11 a.m.
FATHER'S DAY FAMILY PICNIC: Father's Day fun doesn't cost a thing at the San Francisco Rec and Parks Family Picnic and Play Day. Enjoy the free food, entertainment, a petting zoo, games and face painting for the kids at Moscone Park Sunday from 10 a.m. to 3 p.m.