The sun isn’t the only thing that sizzles between June and August – the season also ignites the hottest summer party spots around the globe, from bizarre desert gatherings to hedonistic bashes on azure-coasted islands. We’ve rounded up a fantastic list of must-visit cities, where revelry manifests itself in renowned cultural fests and over-the-top parades; sexy seaside towns, where celebrities and party-goers touch down – often by yacht – to enjoy long summer nights; and even a desert destination, where thousands converge to send off the season. Of course, our list had to include Scandinavia's coolest summer capital, where midnight golf, mineral spas, and hopping nightlife are just some of the season's remarkable bounty. So get ready to get your groove on when the summer party switch is flipped!