Nigeria, May 23 -- Mark Zuckerberg, the billionaire founder of Facebook and the sixth richest man in the world, according to Forbes, is not known for throwing money around frivolously. In fact, his favourite everyday outfit is a simple T-shirt paired with jeans, both of which an average Walmart shopper could easily access. But in this one project, however, Zuckerberg is pulling all stops. He has been in the news for building for himself and his family, a ginormous piece of real estate that makes the Buckingham Palace look like a playpen. Koolau Ranch, a highly secretive $270 million compound, is situated on the Hawaiian island of Kauai.

Spread over a whooping 1,400 acres, the ranch has been designed to function as a largely self-sustaini...