Nowhere On The Globe Can Match What London Is Doing With Drinks

Bompass & Parr

Although not technically a bar, these dudes hold regular pop-ups, with part of the appeal being their ever-changing, frantically inventive style -- past events have seen them create a "walk-in gin & tonic" (seriously, a bar filled with a fine mist that can get you loaded), and an entire building flooded with four tons of punch.