From 221B Baker Street in central London to a cliffside waterfall in the Swiss Alps, generations of armchair detectives are celebrating International Sherlock Holmes Day on Friday.
Fans are marking Sir Arthur Conan Doyle's birthday in tribute to the author and the world's most famous detective, whose adventures continue to shape popular culture since the late 19th century.
But celebrations already began earlier this month, on 3 May, when enthusiasts travelled to Switzerland 's Reichenbach Falls to reenact one of literature's most famous fictional death scenes.
Fans might recognise the date as that of the fateful confrontation between Sherlock Holmes and his nemesis Professor James Moriarty, which shocked readers of “The Final Problem”.
In the original 1893 story, Holmes disappears over the edge of the falls with Moriarty, leaving his sidekick, Dr. John Watson, to discover a farewell letter near the water.
