6. The Secret Garden Party
You know there will be people having sex when they visit festival with such a name. It is an art and music festival that was established in 2004 as a more relaxed and down to earth version of big festivals. The festival venue even has its own lake. However, it didn’t manage to stay small since the number of visitors from the initial 1,000 in the opening year reached more than 20,000 per year.