'Secret' Bars In America. Bourbon & Branch (San Francisco) You'll need a secret password and a reservation to get into the unmarked Tenderloin speakeasy, known for its secret rooms and unusual twists on classic drinks. Cucumber gimlet, anyone? 501 Jones St., San Francisco
Rickhouse is hands down one of the best cocktail bars in the city. Its drink menu could otherwise be described as "a cocktail bible," and it also boasts an impressive whiskey list. Located in the Financial District, it fills up with an after-work crowd and tends to be quieter later in the evenings.