Everyone should ride the 30 and the 22.
After those 2 you'll be a veteran Muni rider.
I used to love taking all the streetcar lines from DT to their outer limits too.

http://www.sfmuni.com/php/routelist.php
This part would help. You can ride MUNI #76 to the Marin Headlands on Sunday too.

Thanks BBQ Boy. The 30 looks very handy. The DH and I are doing SF next weekend (staying 2 nights), so we could use that one. :-)

Thanks Bbqboy, that is a great website!