For Steampunk / VSF fans, here are some colorized photos of Cornwall in 1895.
For Victorian gaming fans, here’s a page with articles from the Illustrated London News from the mid 1800s.
The Victorian Web site has a wealth of articles on life in the Victorian era. You could spend a very long time reading the material there.
Phillip Fickling has a paper model of a submarine that may be of use for victorian science fiction fans. Click on the free model link.