Adobe Bookshop brings me much happiness. Not only are there a zillion wonderful used books of all kinds, there is the man behind the books, Andrew McKinley. He is the heart and soul, and his wise, welcoming and super fun personality draws all sorts of colorful characters to gather and be eccentric.
Murals! where? everywhere! walls, streets, signs, windows. keep your eyes peeled. I walk a lot in San Francisco and always seem to find new murals in the least expected places. They are a constant source of inspiration, and make me wish I could paint worth a damn.