The Knowledge: The World's Best Bars

Wherever you find yourself, whether for business or pleasure, a good stiff drink in suitable surrounds should never be far from your night-time agenda (or lunchtime, of course). And why settle for anything less than the finest tipples and the hippest hang-outs? From a Juniper Sling in Singapore, to a classic Martini in London - discover what to drink and where with our pick of some of the best cocktail bars in the world, above. And for men on the move, check out a more comprehensive bar guide in the first issue of The MR PORTER iPad Magazine.