Foam Party

The Germans, it seems, never need an excuse for a beer. In fact, nobody does—at least if attendance figures at Munich's annual Oktoberfest are anything to go by. With an expected turnout of 6 million beer lovers from all over the globe, the Oktoberfest is one of the world's largest gatherings, and kicks off, for the 171st time, on Sept. 18.

Known locally as the "Wies'n" (after the Theresienwiese, the open area where the festival is held), Oktoberfest is a convivial debauch that sees the consumption of some 6 million liters of beer, 300,000 pork sausages,...