The likes of Versailles and Buckingham Palace pale in comparison to the opulent palaces of the Saudi royal family. Unsurprisingly, the wealthiest regal dynasty, whose inner circle is said to number 2,000, owns hundreds of magnificent estates across the globe. From the glittering palaces of Riyadh and a $195 million (£154m) desert compound to 10 mansions on London's billionaires' row, this is one royal family with a staggering monopoly on the world's most expensive real estate. 

Click or scroll on to discover the secrets behind the most spectacular homes of the House of Saud.