Was Conan Doyle a killer and a thief?
http://www.independent.co.uk/news/uk/this-britain/was-conan-doyle-a-killer-and-a-thief-698700.html
A scholar tries to uncover Conan Doyle's own crime: his theft of the story of The Hound of the Baskervilles. Likely, this accusation is not true, but there is some mystery surrounding the origin of the novel.
The Sherlock Holmes Society of London
http://www.sherlock-holmes.org.uk/
A literary and social society for the study of Sherlock Holmes and John Watson.
The Sherlock Holmes Museum
http://www.sherlock-holmes.co.uk/
The original house of Sherlock Holmes has been turned into a museum. Of course, Holmes never existed, but this is the house located at his fictional address.