Selts (Sherlock Society of London) korraldab regulaarseid Meiringeni-reise, millest osavõtjad mängivad ajaloolistes kostüümides läbi Sherlock Holmesi seiklused. Moskvasse Suurbritannia saatkonna lähedale Moskva jõe äärde püstitati 2007. aastal Sherlock Holmesi ausammas. Legendaarne raamatukangelane seisab seal, kuulus piip käes, koos oma lahutamatu kaaslase dr. Watsoniga. Kuju rajamise üks algatajatest oli Vassili Livanov, Lisaks mainitakse jutustuses "Nelja märk" monograafiaid inimese jälgede uurimisest ja kipsi kasutamisest nende säilitamisel ning kutsetöö mõjust käe kujule[26]. Jutustuses "Baskerville'ide koer" viidatakse monograafiale, mis käsitleb erinevate dokumentide kirjutusaja tuvastamise meetodeid. Holmes on tuttav kõikide salakirja liikidega ning kirjutas ka selleteemalise
with theories about the nature and existence of fairies and spirits. In his The History of Spiritualism (1926) Conan Doyle praised the psychic phenomena and spirit materialisations produced by Eusapia Palladino and Mina "Margery" Crandon. His work on this topic was one of the reasons that one of his short story collections, The Adventures of Sherlock Holmes, was banned in the Soviet Union in 1929 for supposed occultism. This ban was later lifted. Russian actor Vasily Livanov later received an Order of the British Empire for his portrayal of Sherlock Holmes. Conan Doyle was friends for a time with the American magician Harry Houdini, who himself became a prominent opponent of the Spiritualist movement in the 1920s following the death of his beloved mother. Although Houdini insisted that Spiritualist mediums employed trickery (and consistently attempted to expose them as frauds), Conan Doyle became convinced that Houdini himself possessed supernatural powers, a