They encircle the busier parts of town in a way that covers a lot of graveyard-adjacent ground, and then she cuts through some of the more densely built parts to check out a building from which loud, muffled music seems to emanate.
"The older teenagers and younger adults of Sunnydale like to gather here to socialize, which means the vampires of Sunnydale like to gather here to seduce them for later murdering. I want to take a quick look inside but I don't think I've put enough thought yet into the question of how best to negotiate your entry given the language and cultural barriers, so I'm not sure you should come along. What do you say to waiting in that alley around back, and I'll come out the back door after a few minutes? It's the favourite exit of young couples looking for a private corner and, relatedly, of vampires, but a few minutes probably isn't long enough for anyone to choose to use it, and if they do, well, maybe the hypothetical vampire will stupidly attack you, vampires often do that when they encounter an obstacle to their plans."