Apparently, as long as a party involves copious booze, drugs, and fire, it'll probably be a good night. However, it then becomes equally apparent how strange it is that people even survive these things.
Trinidad and Tobago
When you're talking about the nation where Nicki Minaj was born, you know that they have to have killer parties. Often overshadowed by Rio's Carnival, the Trinidad and Tobago Carnival is at least equally nuts, with the same out of control costumes and depravity as its South American equivalent. It also features Trinidad and Tobago's traditional musical genres--calypso and soca--which makes it a completely unforgettable experience.
Aside from Spain's notorious San Fermin Festival, the country also plays host to an equally absurd celebration called La Tomatina. During this Spanish tradition, though, instead of people getting mauled by bulls, they get pelted by tomatoes. How the tradition began on a Wednesday during the last week of August, 1945 is unclear, but every year since, more than 30,000 people show up to party and throw food at each other on the streets of Valencia.
Before (or after) each and every full moon on Ko Pha Ngan island in Thailand, an all-night, no-rules party breaks out--literally the "Full Moon Party." Starting in the 1980s (obviously), this tradition now typically attracts more than 20,000 people whenever it happens. What's on the itinerary? Mind-blowingly loud music, young, attractive people from everywhere, fire-skipping ropes, buckets of booze, and plenty of drugs.
The EXIT Festival in Novi Sad, Serbia, is probably the only massive event in the world that's literally held inside an eighteenth-century fortress. Not only that, but the festival hosts the biggest and best names in music over the course of a four-day rager.