Las Vegas, Nevada

Why It’s Hot: Whether it’s Barry Manilow, Celine, or Donny and Marie, Sin City’s got your favorite celebrity (or celeb impersonator) to serenade your new coupledom. Hit the jackpot at roulette, snag front-row seats to Cirque de Soleil, book the 16-course tasting menu at Joel Robuchon or dance ’til dawn at Krave (the nonstop party atmosphere is perfect for celebrating your nuptials).