This is London’s most famous square whose name commemorates the Battle of Trafalgar. Nowadays, it’s a hive of activity and the place Londoners flock to for celebrating cultural occasions. No two days are the same here, so it’s an ideal spot for people-watching. What fewer people discover is The Police Lookout on the square – a tiny locked kiosk made from a hollowed out lamppost. Dating back to the 1920s, this was the place where a policeman could keep a watchful eye over the comings and goings on the square!