The Istana Nurul Iman Palace in Brunei is the largest mansion in the world, featuring 1,788 rooms, 257 bathrooms, air-conditioned stables for 200 polo ponies, 5 swimming pools, a 110-car garage, and a mosque. Another notable mansion is the 105,000-square-foot California mansion, known for being one of the most expensive homes in the world. While these mansions are impressive in size and amenities, some may not be considered attractive considering the amount of money invested in their construction. For those interested in exploring famous historic houses, there are many open to the public, including those once owned by celebrities like Elvis Presley and Prince.
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