Steampunk/Victorian Environment that we created as Leartes Studios. I was responsible for environment props, and unreal implementation of vehicles.
It is available in the Unreal Engine Marketplace:
https://www.unrealengine.com/marketplace/en-US/product/steampunk-victorian-megapack
There is also an article that shows the production by 80 LEVEL:
https://80.lv/articles/level-design-steampunk-environment-production/
Cheers!
Steampunk / Victorian Environment Level Design in Unreal Engine