The Sisters of Perpetual Indulgence's HARE at Dolores Park: It wouldn't be Easter without the Hunky Jesus and Easter Bonnet Contests along with all the other fabulous tongue-in-cheek activities put on by San Francisco's beloved Sisters. There's something for all ages at Dolores Park on Sunday.

Bring Your Own Big Wheel: Rain or shine on Sunday, the giant race of giants on big wheels is on! The race starts off with a kiddie lap! After the race, donate your big wheel to the San Francisco Fire Department -- they'll give it to a kid who needs one.

John Waters' Birthday Weekend: Have a John Waters orgy with three different double features tonight and all weekend. Films include Pink Flamingos, Female Trouble, Desperate Living, Polyester, Hairspray, and Serial Mom.

Earth Day: While every day should be Earth Day, here's a chance to commit to doing your part with various Earth Day activities happening throughout the Bay Area, including a day-long Earth Day Celebration at Civic Center and the 41st Berkeley Earth Day on Saturday. Additionally, National Park Week runs through Sunday.

20th Annual Union Street Spring Celebration & Easter Parade: For those looking to indulge their little ones in an all-out Easter celebration, this is your bag. Featuring large inflatable bounces, kids' rides and games, a climbing wall, a hands-on children's activities area, costumed characters, a petting zoo, a pony ride and entertainment from Bay Area musicians.