Ranked from most favourite, going down:
20'000 Leagues (with James Mason as Nemo, the Disney version)
Journey to the Centre of the Earth (with James Mason)
The Private Life of Sherlock Holmes
Following that, I wouldn't want to really rank them; too difficult because I sometimes like others more depending on what mood I'm in. And although it certainly isn't Victorian, but hits that "Costume Adventure" vein, "The Assassination Bureau" because it's such a hoot.