Ciel de Paris
It doesn't get much more romantic than the Ciel de Paris and their Champagne bar atop the Montparnasse Tower. Chic and modern, the bar offers Champagne by the glass and also proposes various tasting experiences. Order either a classic Bellini or something more innovative, like a mandarin- and ginger-infused Champagne cocktail to sip while soaking up breathtaking views of the entire city illuminated below.