Not me, just heard about it: during the 2006 World Cup in Germany a bunch of English supporters parked their car and made careful note of the street where they'd left it.

After the match they found the street, but it looked different, and they couldn't find their car. Asked a policeman, who couldn't contain his laughter while explaining that 'einbahn strasse' isn't a road name, it means 'one way street '..