9. Howard Stern


Price: $52 million*
Location: Palm Beach, FL

Howard Stern, the media mogul, owns numerous properties in the US, including a lavish estate in Palm Beach, Florida. He purchased this 19,000-square-foot mansion in 2013 and spent an additional $13 million on renovations. The mansion features impressive details, like a grand staircase and a massive 1,000-square-foot closet.