Going Out for Insides

SF is definitely one of this country's front-runners when it comes to cities that eat adventurously, and there's no question that offals (like heart, tripe, and other formerly less desirable animal parts) are gaining in popularity, here and elsewhere. If you're interested in expanding your palate, or if sweetbreads and pate just aren't doing it for you anymore, here are some spots that can satisfy your "inner" curiosity.