Cycling is considered a legitimate way to get around San Francisco, and the San Francisco Bicycle Coalition does its best to make sure that safety is everyone's first priority. Several of the best bike trails in the city are posted, along with detailed reviews, on their website.
Chinatown is literally a city within a city. And Chinatown isn't merely a tourist trap, run-of-the-mill attraction, but a genuine celebration of Chinese culture. Sure, there are signs of the exotic as evidenced by the several wares for sale like spices, silks and jade; but events like the Chinese New Year celebration dramatically demonstrate the pride and tradition that is still very much alive at the Grand Avenue and Bush Street entrance and beyond.