Plan your next vacation with a slightly different agenda. From a cave club in the Dominican Republic to a seven story space in Madrid, we have rounded up the world's craziest nightlife spots.

See also: [15 Bars Around The World You Need To Visit Before You Die] [Our Ultimate Guide To NYC's Most Exclusive Social Clubs] [Our 2014 Guide To The Best Hidden Bars In NYC] [Battle Of The Clubs: Old VS. New Outpost Around The World] [6 Private Clubs Worth Checking Out In London]