There are plenty of places to drink (from Rose. The famed Rockwell Group handled most of the design, including columns that project live video, 21 miles of crystal beads at The Chandelier bar, the visually stimulating Marquee Nightclub, and swank residential-style rooms. All 3,000 rooms have outdoor balconies (virtually nonexistent on the Vegas strip), with half of them flaunting insane views of the Bellagio fountains. While it doesn’t have the largest casino floor, its other amenities ensure it lands squarely on this list. When The Cosmopolitan first opened in 2010, it dared to be sexy, uninhibited, and ballsy - and nothing’s changed.