We tried $40 martinis in LA, NY, and SF. They're the epitome of loud luxury, but not all lived up to the price tag.

Getty Images; Jenny Chang-Rodriguez/BI

A martini is one of the simplest cocktails there is — it's just vodka or gin (depending who you ask) and vermouth — and yet bars in various US cities are adding their twist to it by adding foraged ingredients or serving it with a side of caviar, turning a classic drink that can be ordered at most local bars into a luxury experience.