Antonioni is the godfather of films about our empty and alienated modernity, so it's only fitting to begin our list with a film depicting one of the most depressing holidays in the history of cinema. A band of beautiful Italians chart a celebratory yacht trip even though mild resentment and dissatisfaction linger in each of their relationships, but they are shocked when Anna (Lea Massari) disappears without trace on a rocky island midway through the film.