Why is Soho called Soho? Which building was known as the “White House” and what happened in it’s “Skeleton Room”? Who was William Hazlitt? Where in Soho did Casanova live? Who solved the mystery of the cholera epidemic of 1854? Discover all this and much more in this fascinating part of London with our Soho treasure hunt. To play the hunt install the free Huntzz app from the App Store or Google Play..