Antilia, located on Altamount Road in South Mumbai is the most expensive house/ private residence in the world. Home to the chairman of Reliance Industries – Mukesh Ambani, Antilia is a visual masterpiece that boasts of 27 floors, houses a private movie theatre, a helipad, an ice-cream parlour, salons, multiple swimming pools and gyms between its walls.  Designed by Chicago-based architects Perkins and Will and constructed by Australian-based construction company Leighton Holdings, Antilia is valued at 10,000 crores according to Business Insider.