Here today, gone tomorrow. No phrase better describes the Los Angeles landscape. On the one hand, there are certain advantages to a city not so hell-bent on preserving its past in precious amber. It creates dynamism, and plays into our sense of renewal and reinvention. But every time we lose another important landmark, we lose a little bit of our identity. Look closely, though, and you'll spot hundreds of relics hiding out in plain sight -- living time-capsules of the Los Angeles that used to be. Here are a few that can be seen without even leaving your car.