Look inside this $250 million mega mansion (and see why it’s so expensive)

Robert Frank, host of CNBC’s “Secret Lives of the Super Rich,” joins TODAY’s Hoda Kotb and Jenna Bush Hager live from Bel-Air, California, with an exclusive first look at a $250 million mega mansion. What makes it so expensive? For starters, there’s a 12,000-square-foot entertainment area!