We’ve all had moments when we looked at something and thought, “Who approved this?” I remember this one time I was at an AirBnB and there was a small bathroom, but the sink was all across the apartment. Not quite hygienic, but you just shake your head and move on.

But every now and then, we come across a mistake so obvious that you can’t help wondering how nobody caught it. These are the moments when someone really did have one job, and somehow managed to make things even more confusing, inconvenient, or downright hilarious.

From questionable construction choices to baffling designs and spectacularly misplaced objects, these examples show what happens when a simple job goes very, very wrong. Scroll down to see the funniest fails people spotted and decide which one leaves you wondering how any of this even happens .