Usually, when you visit a new country, the rules and regulations make some kind of sense - but we've dug around and found a whole load that don't. Did you know, for example, that there's somewhere in this world that you can be sent to prison for allowing a donkey to sleep in your bathtub? It's also illegal to look miserable in one particular European city, and the UK itself still has one or two bizarre laws of its own.
Check out our slideshow below and see if you can guess where these daft laws are in force.
Foreign office warns tourists about strange laws abroad
Man arrested for 'aggressively mopping' hotel floor