Here is LINK to a great article about the Paris Morgue-a top tourist destination from 1867-1907.
Indeed, the Paris Morgue was listed in many of the top travel guidebooks for Paris. Charles Dickens was known to be a frequent visitor and describes the Paris Morgue in several of his journals as an “old acquaintance”, and “a strange sight, which I have contemplated many a time during the last dozen years”.