It’s insane how expensive some homes can get. With a market like real estate, anything is fair game. Pools, fireplaces, tennis courts; if you can fit it into the house then you can sell it. The more luxurious amenities a household has, the higher its price goes of course, and some homes really do distinguish themselves from the rest.

So without further ado, here are the top 5 most expensive homes in the world.

5. The Safra Mansion, Sau Paulo, Brazil

VALUE: UNKNOWN

The Safra Mansion, or Mansao Safra, is the largest home in Sao Paulo Brazil.

The size of the home alone is estimated to be 117,000 square feet. In fact, it’s so big that previous owner Joseph Safra (the home belongs to Vicky Safra now) regretted having the home built in such large proportions. “If I could go back in time I wouldn’t have built such a big house,” he stated.

Unfortunately there are not many photos of the gorgeous, tropical-style house available online, however from what’s known the property features a massive pool, and the home has around 130 rooms. It’s located in a very nice area of town, however features intensive security systems either way.

4. The Biltmore Estate, Asheville NC, U.S.

VALUE: $157M

The Biltmore Estate is one of America’s most beautiful historic sites, being built in 1889. It’s currently the US’ largest private home, with a property of over 8,000 acres and a home of over 175,000 square feet.

The home has 250 total rooms, 34 bedrooms, 43 bathrooms, three kitchens, and, specifically enough, 65 fireplaces. The home is also filled with bizarre secret spaces. There’s a butler’s pantry hidden behind a breakfast room, as well as a secret space hidden in the library. There’s also an underground tunnel throughout the entire property.

Everything is built in the classical French style, and the home has a banquet hall, bowling alley, indoor pool, and more.

3. Antilia, Mumbai, India

VALUE: $2B

The shockingly-massive Antilia home in Mumbai, India is one of the world’s largest houses. It sits at 27-stories tall, causing many to wonder whether it can be even considered a home in the first place!

The home was built by Mukesh Ambani, the CEO of Reliance Industries, back in 2010.

The home contains all kinds of luxurious amenities, including 9 elevators (each one has a different purpose), two helipads on the roof, a snow room, Hindu temple, ice cream shop, 50-seat movie theater, multi-story garage (it can hold almost 170 cars), spa, and much more. There’s even an artificial backyard on one of the home’s upper-stories.

The house has a full-time staff of approximately 600, and is built with steel that can survive up to a level eight earthquake.

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2. Buckingham Palace, London, UK

VALUE: $3.2B

Located in the heart of London, Buckingham palace is arguably one of the world’s most famous sites. Unlike the rest of the homes on this list however, Buckingham is not privately owned, but rather owned by Crown Estates.

The palace has 775 rooms, while 19 state rooms are available to be rented out. There are 78 bathrooms as well. The house’s main garden sits on a lot of over 42 acres. Seeing as the home is meant for royalty, there is also a police station, theater, tennis court, post office, and more.

The home is over 828,82 square feet large, and was constructed back in 1703.

1. Istana Nurul Iman Palace, Bandar Seri Begawan, Brunei

VALUE: APPROXIMATLEY $4.2B

The Istana Nurul Iman Palace, the official residence of the Sultan of Brunei, is the largest, and most expensive mansion in the world.

The property has 1,788 rooms, 257 bathrooms, and an entire mosque. The house is a shocking 2.15 million square feet large. Although it is a private residence, it also serves as an impressive place to meet dignitaries from across the ocean, and as such the house has dedicated rooms.

It also has 5 pools, a lavish 110-car garage, and stables that can hold up to 200 horses. The home’s gorgeous exterior design is reminiscent of Malaysian and Islamic architectural styles.

Guests are allowed on the property during the three-day-long Islamic holiday of Eid Al-Fitr, in which they are served food and allowed to meet with the Sultan.