Perennially dubbed America's favorite city, San Francisco is high on every traveler's must-visit list. The kickback lifestyle is contagious, the food scene second to none, and the rugged coastal bluffs postcard ready. Who hasn't wanted to see the towers of the Golden Gate Bridge popping through the fog, or to climb impossibly steep hillsides aboard a clattering cable car? But even icons have their shortcomings—tourist traps and mall brands to name a few.