If you are interested in a horror RPG set in the early 1900s with an organic, world-wide campaign, check out Fellowship of the White Star.
The driving force is a guy I used to work with in a government job. He quit to chase the dream: he created his own 3.5 game and company and it's doing pretty well.
If you like that Call of Cthulhu-type experience, you might like this one.