Staying in Sin City, the celeb-magnet Palms Casino Resort was completed in 2001 at a cost of $920 million in today's money. One of Las Vegas' hippest resorts, the hotel and casino complex boasts more than 1,300 rooms and suites, some of which the most expensive on the planet. There's also 90,000sqf of casino space, 73,000sqf of pool and spa areas and a 2,500-seat concert theater.