Asking: €6.3 million ($8.2 million)
You arrive in this spacious duplex penthouse atop a classic 19th century building in the Seventh via a private elevator on the fourth floor. The elevator door opens into a living room with a balcony, a full kitchen plus a kitchenette, and a library. The fifth floor has a master with an outdoor terrace, an office, dressing room, and a sunroom with panoramic views.