$62,500,000: This luxurious 22,000-square-foot property on the exclusive Jupiter Island in Florida was custom-built by Celine Dion and is being sold "with almost all its contents," according to Zillow. In addition to the 13-bedroom, 17-bathroom main residence, there is also a separate four-bedroom guest house, a tennis house, a pool house with a separate kitchen, and a beach house with a massage room. Oh, and there are three separate pools with a water park.