2Antilia – Mumbai, India

Estimated Price: $2 Billion. Antilia is a 27-story skyscraper owned by Mukesh Ambani, one of the richest men in the world.

This incredible mansion boasts over 400,000 square feet of space and features a range of luxuries such as a private movie theater, six floors of parking, a helipad, multiple swimming pools, and even a snow room.Built to withstand earthquakes and natural disasters, Antilia stands as one of the most secure and lavish homes on the planet.