Now it won't be a trip to Munich without a stop at the mythical Hofbrauhaus , the spiritual home of beer and the world-famous Oktoberfest , an annual festival for beer lovers the world over!  * Founded in 1589 by  Wilhelm V,   Duke of Bavaria , the Hofbrauhaus is one of Munich's oldest beer halls and was the place that wrote the book on the famous and revered Bavarian Beer Purity Law.