1. Hala Ranch : Aspen, Colorado, USA

The Hala Ranch is a 95-acre (380,000 m2) estate located just north of Aspen, Colorado, originally purchased and given its name by Prince Bandar bin Sultan. The main house on the property was designed by the architectural firm of Hagman Yaw and built by Hansen Construction of Aspen, Colorado, in 1991. The estate has been ranked by Forbes magazine as the most expensive home in the United States, listed at $135 million. John Paulson bought the ranch for $49 million according to the Wall Street Journal.

The home is 56,000 square feet (5,200 m2) and is currently the third most expensive home on the market in the United States.

The Saudi Prince purchased the land while he served as ambassador to the United States, and originally visited about three times a year. The Prince’s visits, which were always announced to local officials for security reasons, became less frequent after the terrorist attacks on September 11, 2001, which were carried out mostly by Saudi nationals. Prince Bandar bin Sultan is now selling the estate, as he has accepted a position as National Security Councillor in Saudi Arabia.
 

 
2. Mar-a-Lago

Located within 20 acres of perfectly landscaped gardens and with ocean views, Mar-a-Lago is truly the crown jewel of Palm Beach and an acknowledged landmark in the National Register of Historic Places. Members enjoy all of the finest amenities that the club has to offer, from our incredible beach and pool facility, to the spa and fine dining as well as world class entertainment. In addition Mar-a-Lago is the perfect setting for special events, holiday celebrations, weddings and galas.
 

 
3. Fleur de Lys Beverly Hills, California, USA

Fleur de Lys is a mansion in Holmby Hills, Los Angeles, California.

Situated on five acres of land in Holmby Hills, the 45,000-square-foot property has twelve bedrooms, fifteen baths, a fifty-seat theater, a ballroom, a gym, a pool house, a 1,200-metre running track, a tennis court and a guest house. There is a 200-yard driveway from the gate to the main house.

The house was commissioned in 1996 and completed in 2002.It was modelled after King Louis XIV’s Palace of Versailles. It was designed by architect Richardson Robertson III of Robertson Partners.

The original owners were David I. Saperstein and his wife Suzanne Saperstein. However, when they divorced in 2004, his wife received the property in the settlement. She put it on the market for £78 million in 2006.

In 2012, Tamara Ecclestone (born 1984), daughter of Bernie Ecclestone (born 1930) and Slavica Ecclestone (born 1958), purchased the property. Her sister, Petra Ecclestone (born 1988) owns The Manor, also located in Holmby Hills, Los Angeles.
 

  
4.  Tranquility Estate

Tranquility mansion was built in the year 2000 by the co-founder of the Tommy Hilfiger brand, Joel Horowitz. Located over an area of 210 acres, this estate is bordered along the Zephyr Cove of Nevada, and is known for every fantasy-like extravaganza that one can fathom of.

Of the most prominent ones are the 16 car garage, horse stable, boathouse, NBA regulation basketball court, 2 par-3 golf courses, 3200-bottle wine cellar, swimming pool, Cinema Theater, and art studio with ceramics art pieces. Some of the most prominent décor is also on display such as the replica of the Titanic main staircase, and the flooring which has been taken from a 17th-century French chateau.

Accommodation facilities include the 9 main bedrooms, 14 full bathrooms, and 5 half bathrooms, apart from living and dining areas. But due to the stagnancy of the real estate market in the United States, this estate has been lying idle without being sold, for over 4 years now. Though guided tours have been arranged in the past, but no confirmed buyer has come forth as yet.
 

 
5. Three Ponds, Bridgehampton, New York

Price: $75 million. 25,000 square feet, this mansion boasts 60 acres of waterfront farmland, it’s own private golf course with a pro shop, aswimming pool that’s 75 feet long, a tennis court, an orangery, 14 gardens that include crabapple allee, lily walk, vegetable garden, rose, hydrangea, and butterfly, and three ponds stocked with fish.
 

 
6. Portabello Estate

This absolutely amazing home lies in one of California’s most exclusive areas right on the ocean. Located in Corona Del Mar of Orange County, California, it was first listed in 2006 for an astounding $76 million. The home is an amazing 22,000 square feet with an additional 8,000 square feet of covered terraces and garaging spaces. Inside, there are 8 bedrooms, 10 full bathrooms, 5 half bathrooms, a 10-pin bowling lane, a 16-car garage, a movie theatre, and automotive museum. A 2 bedroom, 2 bathroom guest suite includes a sitting room and mini-kitchen suite area. Outside, the two saltwater pools are surrounded by 3-storey high grotto cliffs.
 

 
7. The Pierre Hotel New York

The Pierre Hotel New York is set on a scenic corner of Central Park. The Pierre, a New York luxury hotel, opened in 1930 and has since been deemed one of New York's most elegant hotels. It is a recipient of the rare AAA Five Diamonds and many other awards.

The Pierre boasts an ideal Manhattan location at the exact point where midtown, the Upper East Side, and Central Park meet. In other words, the intersection of business, leisure, culture, and shopping.