"With a now-iconic interior that's dripping in red velvet, Hôtel Costes is one of those spots that has perfected its aesthetic—which, of course, extends to the music. It can get dark and smoky inside, so head out to the enclosed terrace (you can still hear whatever the DJ is spinning inside), which is equally great for either an afternoon glass of wine or an after-dinner cocktail. Plus, the people-watching is always fabulous. "