When Grigori Rasputin was murdered in 1916, some claim he was also castrated. Since then, a number of people boasting to be in possession of his severed penis and testicles have come forth, although none of them have been able to come up with definitive evidence.
In 2004, Igor Knyazkin, the chief of the prostate research center of the Russian Academy of Natural Sciences, announced that he was opening a Russian museum of erotica in St. Petersburg, Russia. Among the exhibits, Knyazkin claims, is the 30cm (12 inch) long "preserved penis" of Grigori Rasputin , along with several of Rasputin's letters.
I'm watching Nicholas and Alexandra on BBC2 today. Wikipedia dragged up this.