Sotheby's
Silicon Valley legend Jim Clark made it big when Netscape, the web browser company he founded with Marc Andreessen, went public in 1995. The IPO made Clark a very rich man, with a net worth that is now estimated to be as much as $1.9 billion.
Clark also became quite the property mogul, acquiring homes in New York City, upstate New York, and the Hamptons. He also owns a home in Palm Beach, Florida, which he just listed for sale for $137 million, the Wall Street Journal reported.
The palatial estate has 10 bedrooms, 13 full bathrooms, and more than 68,000 square feet of space. Let's take a look inside.