The 15 Most Expensive Houses in the World
1. Buckingham Palace ($1.55B)
The most expensive house in the world is none other than Buckingham Palace, the residence of Queen Elizabeth II. This palace built in 1703, has a total of 775 rooms, 52 bedrooms, 78 bathrooms, 19 state rooms, and 280 rooms for the offices and staff rooms — a massive structure built only for royalty!