From Venice and Rio to Bolivia's Oruro, some cities really know how to kick up their heels. Natalie Paris chooses the best

Witness a street festival or carnival and you are guaranteed a holiday to remember, be it a pre-Lenten celebration of hedonism and repentance, or something altogether more unusual. Aside from the photo opportunities, you can tap into your hosts' culture, make friends, and indulge in some serious partying.

Here is a selection of 10 of the world's best...