We all watched as Tiger Woods built his humongous $50 million beachfront estate on Jupiter Island in Florida. Reportedly, it has a four-hole golf course, a 6,400-square-foot gym with media room, an elevator, an oxygen therapy room, a diving pool, lap pool and a running track. For more details, visit http://www.toptenrealestatedeals.com/homes/weekly-ten-best-home-deals/2013/2-5-2013/.