10. Buckingham Palace
Nestled in Westminster, London, Buckingham Palace reigns as the world’s most expensive house, embodying regality and grandeur Should Buckingham Palace ever grace the real estate market, its estimated value stands at a staggering $1.3 billion, securing its position as the most expensive palace globally. Beyond its monetary worth, Buckingham Palace stands as a testament to centuries of royal legacy and architectural magnificence, encapsulating the essence of regal living in the heart of London.