restaurants , museums , and clubs have either recently opened or are on target for 2012 . So even if you visited Vegas recently , do n't assume it 's still the same . And do n't head to Sin City without checking out this list of the newest and best things to do . The Barrymore The Royal Resort 's hidden restaurant , The Barrymore , is the best place to ensconce yourself for an evening of modernized Rat Pack -- inflected glamour in Las Vegas . The 1,400-square-foot space is pure , old-school cinematic Vegas , with handmade wallpaper , blue-tufted booths , and a ceiling lined with antique movie reels . You 'll also find funky Rorschach portraits of Vegas stars , and modern twists on Vegas classics like lobster eggs Benedict and octopus salad . Inside the Royal Resort ; 99 Convention Center Dr. ; -LRB-800-RRB- 634-6118 . Travel + Leisure : World 's best hotels The Mob Museum Opens Valentine 's Day , 2012 . It 's the actual former federal courthouse where such landmark hearings as the 1950 Kefauver hearings on organized crime were held . Here , Las Vegas 's former `` Happiest
-LRB- Travel + Leisure -RRB- -- What lies behind the walls of Wayne Newton 's Vegas estate ? Penguins and Elvis memorabilia , as it turns out . And come next spring , when Newton 's Casa de Shenandoah opens as a museum , you 'll be able to see this collection for yourself . This glimpse into the life of `` Mr. Las Vegas '' is just the beginning of what 's new in town . In fact , the city is having something of a renaissance , opening up new restaurants , clubs , and museums , returning Sin City to the ever-changing kaleidoscope it once was . Travel + Leisure : The world 's scariest runways Less than 10 years ago , Las Vegas was in the middle of a no-holds-barred building boom . But things happen , and Vegas seemed to be put on a giant `` hold '' for several years . The only major plan that was actually completed was the awe-inspiring CityCenter , which included the Mandarin Oriental and Aria hotels , as well as Crystals shopping center . Now the excitement of CityCenter has spilled over into the entire city : new