(...a rainy day, in SF town.) Heavens, no! You don't have to stay at home this weekend just because of a few pregnant storm clouds looming overhead. And you most certainly don't have to BART it to the Metreon, as most of us do during this kind weather, only to wind up staring down the barrel of some teenager's illegal firearm. 71Miles, a stellar travel site focused exclusively on regional travel, has some grand......