An oldie but a goodie. While dozens of newer craft-beer bars have opened since this one, you can't argue with a destination that's still considered the beer mecca of Philadelphia. Called "One of the Top Ten Places to Drink a Beer Before You Die" by All About Beer magazine, Monk's pours several hundred of the world's best beers and almost single-handedly originated the Belgian beer craze in America. If you can tear yourself away from the beer, there's also food: European dishes cooked in beer, eight different preparations of mussels and seven burger topping combinations, each named after something related to Belgium.