The Cosmopolitan, also known as the 'Cosmo,' is a popular cocktail that gained fame in New York City. It is made with vodka, cranberry juice, triple sec, and lime juice. The vibrant pink color and the refreshing taste make it a favorite among many cocktail lovers. The Cosmopolitan is often served in a martini glass and garnished with a twist of lime. It has become an iconic drink associated with the vibrant nightlife of New York.