A boon to taco-starved expats when it opened five years ago, this taqueria-meets-cocktail lounge has been consistently good since day one. Tuck into tacos, tostadas and deliciously chunky guacamole in the narrow taqueria, then head past the unmarked door at the back of the kitchen for prohibition-style cocktails and great music. Tight quarters—one large communal wood table and a handful of bar seats—demand early arrival. Upside: stop by anytime during the day for a quick bite if claustrophobic dining doesn't suit you. Why opt for Mexican fare on a trip to Paris, you may be wondering? It's one of the best spots to mingle with locals and offers a true glimpse into the modern Parisian hangout.