For a more Earthly or Terran bound experience,but still with plenty of unbelievable wonders Castle Falkenstein is very creative.
Mixing many what ifs from actual history and mixing in heavy doses of Fey characters This Rpg Has Everything!...Vampires, Mages, tech savvy Dwarves, The California Empire,Aztecs, The CSA...i am running out of breath!
Again many of these are available at RPG vendors, Ebay, and many other sites.