Dieselpunk is characterized by, among other things, fanciful machinery and vehicles. Those gadgets must, however, originate in some place. Well, here it is: the archetypical dieselpunk engineering lab with, where you see Doctor Zarkov being busy with developing the repulsor device. (Those are used in cloudships in my novel The Ice War.)
Artist: Colton Dubell. Click on the picture for a much larger version.
This battered desert vehicle will definitely make some sort of appearance in one of my dieselpunk stories in the alternative 1940s timeline of The Ice War (link >>> ). It could also appear in my campaign outlines — both Red Sand and New Era — in the Swedish space opera RPG Sci-Fi!
The World Dream Bank is a great resource for people wanting develop alien worlds or alternate Earths. It provides several well-reasoned planets with maps and texts, including terraformed Mars and Venus. Link — >>>
The example below is a future Earth where the polar icecaps have melted with an accompanying rise of the oceans — useful for postapocalyptic campaigns. Click on the map for a larger version.