28. This four-acre estate is set on a beachfront lot in Naples, Florida.
Price: $65 million
Its island colonial-style main house has five bedrooms and six bathrooms. A seven-car collector's garage is among the home's more interesting amenities.
27. This nine-bedroom, nine-bathroom home is located on a beautiful lot in Holmby Hills, one of Los Angeles' most desirable neighborhoods.
Price: $66.65 million
Designed by Moss and Associates, it's got a tennis court, pool, and more than an acre of landscaped grounds.
26. Set behind a set of private gates and a paved driveway, this estate in Bradbury, California, has 30,000 square feet of space and a host of amenities.
Price: $68 million
The long list of features includes a tennis court, private putting green, several 10-foot waterfalls, koi pond, grotto, culinary center, home gym, and wine cellar. It has 14 bedrooms and more than nine acres of land.
25. Located on the desirable Ocean Boulevard in Palm Beach, this Mediterranean-style estate includes a total of 35,000 square feet of living space and 242 feet of direct beachfront.
Price: $69.9 million
A grand salon, massage room, bowling alley, home theater, and eight-car garage are among its luxurious extras.
24. The spatial confines of New York City are quickly forgotten in this 9,700-square-foot duplex penthouse at 50 United Nations Plaza.
Price: $70 million
Residents can take in unparalleled views of the Manhattan skyline and East River from the spacious roof deck and swimming pool, two-story bay window, or from any one of the four bedrooms and 7.5 baths.
22 (TIE). The "Villa Maria," located in Water Mill, New York, was built for industrialist Edward P. Morse in 1919 and has been updated to include all of the modern luxuries.
Price: $72 million
The main house has 11 bedrooms, including a six-room master suite. It also has a carriage house, guest cottage, and 1,100 feet of waterfront.
22 (TIE). Built in the 1920s for cotton heir Otto Dommerrich, this Upper East Side mansion has been used as a medical facility for the last several decades, but it's now on the market as a single-family home.
Price: $72 million
The townhome has more than 21,000 square feet of space spread out over seven stories. It still has its original Beaux Arts limestone facade, as well as many other original design details.
19 (TIE). Located on an exclusive peninsula jutting out onto Georgica Pond, this home has more than 2,000 feet of direct waterfront.
Price: $75 million
Its 25 acres include a main house with its own guest wing, as well as a pool, spa, tennis court, and dock. It was built in 2000 and was custom-designed by architect Francis Fleetwood.
19 (TIE). Dubbed a "billionaire entertainer's paradise" by its developer, this new spec home has a jaw-dropping 21 bathrooms, two pools, and eight bedrooms.
Price: $75 million
Its perks also include an indoor basketball court, recording studio, underground auto gallery, and spa. The home's listing also offers the opportunity to buy the adjacent lot to increase the total square footage from 40,000 to 92,000.
19 (TIE). This oceanfront home on Lily Pond Lane in East Hampton has a tennis court, spa, and a koi pond.
Price: $75 million
In addition to the 7,000-square-foot main house, there's also a guest house with an addition 2,300 square feet of living space. It's got one of the most desirable water-fronting locations on the East End.
18. This estate in Holmby Hills is a throwback to Old Hollywood. Previously the home of Edie Goetz, daughter of movie legend Louis B. Mayer and wife to producer William Goetz, it's the first time in 25 years that the home will be available for purchase.
Price: $79 million
The estate is set on a sprawling lot of more than four acres and has three guest houses in addition to its main house. It also has two swimming pools, a tennis court, and "rare specimen trees."
17. This 15,000-square-foot spec house was built on the land where Castle Kashan, the Malibu mansion of former New York socialite Lilly Lawrence, stood before it burned down in a 2007 fire.
Price: $80 million
The new home is being called the "New Castle," and it boasts promontory views of the Pacific Ocean, as well as five bedrooms, 80-year-old oak floors, a 75-foot infinity pool, and a separate, two-bedroom guest house.
16. This 8,000-square-foot condo has all of the benefits you'd expect from the tallest residential building in the Western Hemisphere. Sleek, modern design details are present throughout, and spectacular Manhattan views can be enjoyed from all angles — even from the bath tub.
Price: $82 million
Access to the building's state-of-the-art gym and pool, plus the rights to brag about living in the tallest residential building in the Western Hemisphere, make the property even more desirable.
15. At 15,000 square feet, this six-story Upper East Side mansion is something out of a Gilded Age storybook. It's being sold by real-estate developer Keith Rubenstein of Somerset Partners.
Price: $84.5 million
Absolutely every detail is accounted for in this house, from custom marble and woodwork to steam-resistant mirrors in the bathrooms and a temperature-controlled room for storing fur coats. The dining room spans one full city block, and a two-story staff suite ensures that there is plenty of room for the help.
9 (TIE). Rancho San Carlos in California has been owned by the same family for over 100 years, and it's easy to see why. Sitting on 237 acres, the 30-room main residence spans almost 30,000 square feet on two natural terraces.
Price: $85 million
Additional perks include 10 guest cottages, extensive equestrian facilities, and sprawling orchards.
9 (TIE). Known as "Le Belvedere" this Bel Air mansion was developed by Mohamed Hadid, father to models Gigi and Bella.
Price: $85 million
It has 10 bedrooms — a count that includes two master suites — as well as a Turkish hammam and a ballroom that can accommodate more than 200 people. According to the Wall Street Journal, Hadid has been living in the mansion since last selling it for $50 million in 2010, as the buyers never moved in.
9 (TIE). Del Dios Ranch is a 210-acre ranch in Rancho Santa Fe, California. The four-bedroom main house was built of redwood, glass, and marble.
Price: $85 million
The estate was developed by the late Roland and Ramona Sahm, whose wealth stemmed from the founding of Elixir Industries. The Sahms owned racehorses, and the ranch is outfitted with all of the necessary facilities.
9 (TIE). Like something straight out of "The Great Gatsby," this magnificent estate in Great Neck, Long Island, boasts 13 bedrooms, 35 bathrooms, indoor and outdoor pools, health complexes, game rooms, a bowling alley, and an electronic casino.
Price: $85 million
Private gardens lead to a pier for a private yacht, and the iconic New York City skyline is visible from the extensive waterfront. The estate was previously owned by Tamir Sapir, a former Soviet émigré who made his fortune in New York real estate. He died in 2014.
9 (TIE). Just minutes from Los Angeles' famed Rodeo Drive, this 16-acre equestrian estate features miles of riding trails that wind between five deluxe stables and two horse rings. The home was at different times home to Cher and Eddie Murphy.
Price: $85 million
The 20,000-square-foot main house, complete with hand-carved wooden doors and special Moroccan tiles, is currently being updated to suit today's standard of luxury.
9 (TIE). The asking price for this 10,000-square-foot penthouse at the Atelier condo building in Midtown Manhattan includes a bit more than eight bedrooms, eight bathrooms, and unobstructed views of the Hudson River.
Price: $85 million
Listing agent Daniel Neiditch of River 2 River Realty is also offering five-year access to a yacht, two Rolls-Royce Phantoms, courtside season tickets to the Brooklyn Nets for a year, and a year of live-in butler and chef service.
8. Maison du Soleil is the Los Angeles home of legendary fashion designer Max Azria. According to public records, Azria and his wife purchased the house in 2005 and spent $30 million on renovations.
Price: $88 million
The incredible 60-room residence includes 17 bedrooms, 22 bathrooms, and just about every other indoor and outdoor feature you can think of, including a 6,000-square-foot movie theater, full gym, professional tennis court, and five unique gardens.
7. This eight-bedroom home in Chestnut Hill, Massachusetts, currently belongs to Reebok founder Paul Fireman.
Price: $90 million
Located just five miles outside of Boston, the home was built in 1999 and includes 14 acres of land. The house is marked by a dramatic limestone facade, and there are sweeping staircases inside.
6. "Palazzo di Amore" was built for parties, with an entertainment complex and ballroom, private-label vineyard, and parking garages for more than 150 cars.
Price: $129 million
The home's owner, Jeff Greene, made a fortune when the real estate bubble burst in Greece and is worth about $3.4 billion, according to Forbes. It has 12 bedrooms, 23 bathrooms, and a 5,000-square-foot master suite.
5. Briar Patch is a traditional home on 11 acres that border Georgica Pond in the Hamptons.
Price: $140 million
The 10,000-square-foot main house is on the National Register of Historic Places and features unique interior details like handmade wallpaper. It's suited to accommodate any number of guests, from a big event for hundreds of people, to a cozy dinner for four.
4. Great Island is 63 acres of land that jut out into the Long Island Sound, about an hour's drive from New York City in Connecticut. It comes complete with the original main house and extensive equestrian facilities.
Price: $175 million
The estate is currently owned by the family of the 19th-century industrialist William Ziegler, who, according to the Wall Street Journal, used it as a summer home.
3. A tropical compound on the prestigious barrier island of Manalapan, just south of Palm Beach, Florida, is listed for $195 million. Boasting a whopping 62,873 square feet of living space, the estate includes 33 bedrooms and 47 bathrooms — enough for a small army of guests.
Price: $195 million
Permanent residents and guests alike can enjoy every imaginable indoor and outdoor amenity, as well as thousands of feet of private beach on the Atlantic Ocean and Intracoastal Waterway.
2. "The Manor" is a 56,500-square-foot home in the Holmby Hills section of Los Angeles. It's currently owned by Petra Stunt, the daughter of Formula One racing billionaire Bernie Ecclestone.
Price: $200 million
Stunt purchased the home for $85 million in 2011, then listed it for sale for $150 million in 2014. The current $200 million price tag is its highest by far.
1. America's most expensive home is a 38,000-square-foot spec home in Bel Air. "This home was curated for the ultimate billionaire who wants the best of everything that exists in life," luxury developer Bruce Makowsky said in a press release.
Price: $250 million
The home also comes outfitted with furniture, but it's far from standard: think decommissioned decorative helicopters, gigantic Leica camera sculptures, and velvet-roped lounge areas. There are two master suites, 10 "oversized VIP" suites for guests, 21 bathrooms, three separate and fully equipped kitchens, and no fewer than five bars.