2. Antilia, Mumbai, India: Valued at 82 billion rupees, this is quite possibly the most extravagant property in the whole world. The home is 400,000 square foot with 27 high ceilings and it can survive a deadly earthquake! Let's take a quick tour in this outstanding property: You'll find 3 roof-top helicopter pads, 9 high-speed elevators, a steel and glass structure, 2-story health centre containing an indoor swimming pool and jacuzzi. Not forgetting to mention that 6 of the floors is a family residence dedicated to the owner's family (Mukesh Ambani). You'll find houses for the staff, an entire floor dedicated to the servicing of Ambani's cars, 50-seat home theatre with a wine room, snack bar and entertainment space, Dance studio, 6-story parking, accommodating a maximum of 68 cars.