I love inside jokes when I'm in on them. When I'm not, they're mostly just confusing and mildly insulting. And yet, there's something oddly entertaining about stumbling across a moment that clearly ...

Some odd pictures make you laugh, some make you think—and then there are these, which make your brain short-circuit for a ...

Guardian Cities asked you to share your photos of the most silly, confusing and sometimes dangerous signs near you via GuardianWitness. Here’s a selection of our favourites ...