1. Marina Bay Sands, Singapore - $US 6 Billion
A resort featuring 2,561 hotel rooms, a convention centre, museum, shops, two large theatres, seven "celebrity chef" restaurants, an ice-rink, two floating Crystal Pavilions (answers on a postcard, preferably from there please?), a Sky Park, 150m infinity swimming pool atop this monumental building and the world's largest atrium casino with 500 tables and 1,600 slot machines.
Did You Know: the casino is illuminated by a 7.1 ton chandelier made of 132,000 Swarovski crystals.
2. Resorts World Sentosa, Singapore - $US 5.38 Billion
Another playpen for the wealthy the Resorts World Sentosa includes a Universal Theme Park, a casino, Adventure Cove Water Park and the world's largest Oceanarium. The four hotels situated on the land offer 1,840 rooms littered over more than 121 sprawling acres and employing more than 10,000 people.
Did You Know: the Oceanarium is home to the only giant oceanic manta ray living in captivity.
3. Emirates Palace, Abu Dhabi - $US 4.46 Billion
Described as "beyond 5 stars" the Emirates Palace was created as a niche luxury hotel for the rich and famous. Many of the 92 suites are furnished with gold and marble with the top floor having six Rulers' Suites reserved exclusively for royalty and dignitaries.
Did You Know: the Palace is only the second 7 Star hotel on the planet after Burj Al Arab, in Dubai.
4. Parliament House, Canberra, Australia - $US 4.21 Billion
Proof, perhaps, that property only rises in value as the years go by, Parliament House was completed back in 1988 for, at the time, a whopping $1 Billion, yet this now iconic meeting place for Australia's leaders is valued at nearly four-times that amount. It contains 4,700 rooms and covers 2.7 million square feet of land and remains one of the country's most pertinent tourist spots.
Did You Know: over a million people visit the building every year.
5. The Cosmopolitan, Las Vegas, USA - $US 4.16 Billion
In 2015 this was listed as one of the Top Hotels In The World by Conde Nast Traveller Gold List. The Cosmopolitan brings everything you would expect of Las Vegas decadence; situated on the Vegas Strip it includes 2,995 hotel rooms, a 110,000 square foot casino, 300,000 square foot of retail shops and restaurants, spa and fitness facilities, a 1,800 square feet theatre, a convention centre and three different types of swimming pool. Its Vegas baby, after all.
Did You Know: the Cosmopolitan was the location for the The Killers' Shot at Night video in 2013.
6. The Shard, London, England - $US 3.9Billion
Currently the tallest building in the EU, The Shard stands at an impressive 1,016 feet tall. Designed by the Italian architect Renzo Piano, the story goes that over lunch with entrepreneur Irvine Sellar Piano, he spoke of his contempt for modern, tall, buildings before sketching his vision for The Shard on a menu. The result is the breathtaking glass beacon that looms gracefully over London's skyline.
Did You Know: the Shard is built from 95% recycled material. A green house if you will.
7. One World Trade Center, New York, USA - $US 3.8 Billion
Both an engineering marvel and a monument to the resilience and bravery of the city of New York. It is the tallest skyscraper in the Western Hemisphere and the fourth tallest building in the world at 1,776 feet tall and visual memorial to all those that perished during the 9/11 terror attacks on the Twin Towers.
Did You Know: One World Trade Center is built with high-strength concrete which can withstand seven times the pressure of normal concrete
8. Wynn Resort, Las Vegas, USA - $US 3.26 Billion
Another Las Vegas Casino and hotel the Wynn, as it is commonly referred to, has receieved a AAA five diamond, Mobile Five Star, Forbes Five Star, Michelin five star, and Zagat Survey Top U.S. Hotel ratings. Between it and its sister property Encore Las Vegas it holds more five star awards than any other resort or casino in the world.
Did You Know: the Wynn was the first Vegas casino to feature a car dealership inside in the form of Ferrari-Maserati. Nothing but the best for these high rollers.
9. The Venetian Macao, Macao, China - $US 2.97 Billion
Modelled on its sister hotel, The Venetian Las Vegas, The Venetian Macao is the seventh largest building in the world, the largest casino in the world and the largest single structure in Asia.
Did You Know: the first official guests to The Venetian were the Manchester United Football Team.
10. City Of Dreams, Macao, China - $US 2.75 Billion
Located directly opposite The Venetian, City Of Dreams, referred to as CoD by those in the business, is another casino. It is comprised of 420,000 square feet of gaming space with 450 tables, 1514 machines and over 20 bars and restaurants.
Did You Know: one entertainment feature called The House Of Dancing Water, which is a water based stage production, utilises one of the biggest commercial swimming pools in the world.