Valleywag has put together the “25 things to see at the Googleplex before you die“.
They’ve created a plan of Google’s Mountain View location and identified the areas that any visitor should try and get a peak at.
Highlights include…

Omid Kordestani’s Office - At one point, the non-engineering parts of the Googleplex were called Omidistan, in honor of head sales guy Omid Kordestani.
Pintxo Cafe - From Yelp: “Pintxo simply rocks

So much for Nick Denton’s plans to direct Valleywag into a more upscale news site. There’s been much talk that Nick’s jealous of TechCrunch’s success and hence his attempts to refine Valleywag.
Well, let me tell ya Nick. Posts such as..
Google baby’s first words…We learned today that Sergey Brin’s first word was golova, which means head in Russian.
…hardly convey an image of a site that wants to be taken more seriously