To these, who ace the lists of ‘Forbes’ Top Billionaires’ and ‘The Most Expensive Houses In The World’, a home is a place where they can spend most of their fortune, afford unimaginable luxuries and flaunt their wealth. For example, If you take a quick tour inside Donald Trump’s house , You’ll find nearly everything in gold. Also, Bill Gates’ house where he has screens that display any desired painting, photo, or artwork that cost $150,000. Best House in The World? Maybe! Let’s find out.