6The Antilla (Mumbai, India)

Antilla, a private residence in Mumbai, is one of the most expensive homes in the world and a striking example of modern luxury architecture. Designed by Perkins and Will, this 27-story building stands at 173 meters (568 feet) tall and features a unique mix of traditional Indian design elements and modern aesthetics. The structure includes multiple gardens, a swimming pool, a health spa, and even a helipad. Its unconventional height and expansive footprint challenge the norms of residential architecture, turning it into a landmark of wealth and opulence in the bustling city.