Let's say you're a recent college grad, looking to join one of Silicon Valley's most buzzed-about companies. Facebook, with its drumbeat of hints pointing to an IPO, seems like a potentially profitable choice. And, since they offer a $600 stipend if you live within a mile of the office, you decide to live in Palo Alto, even though you might prefer San Francisco. Think there's nothing going on in Palo Alto? Wrong. Even if you burn the midnight oil, there are spots to refuel — or wind down. Here's your guide to the nightlife offerings within stumbling distance of Facebook HQ.