Germy’s World has a paper model for making your own dungeon, but what is more interesting is Victorian Cellar model that accompanies it. It’s perfect for gothic horor games as the lair of a monster, or mad scientist or cult.
Similar in spirit to the late, lamented Space:1889 cloudships rules, Aeronef is about Victorian era armored flying gunships. There are some outstanding ships’ logs for the game here.
John Snow is the father of modern epidemiology, having tracked the source of a cholera outbreak in London in 1855, thanks to some good old fashioned detective work. It’s a story worth reading, but I won’t go into it here.
At any rate, the UCLA Department of Epidemiology has an interactive online map of London in 1859. You can zoom in on the map down to an amazing level.
I actually have a copy of the map (framed for posterity) that I acquired when I was in my victorian role playing phase. It was hard to find then. Fortunately, you don’t have to conduct the smae long search that I did. You can just look at it online.
The Chicago Tribune has a gallery with some long-forgotten photographs of the Chicago Exposition of 1893. It’s a visual treat for Victorian era enthusiasts. And while you’re at it, I highly recommend the book “Devil In The White City,” a true-crime story about a serial murderer n Chicago at the time of the fair.