Good question. I don’t actually make anything. I can’t draw, so I write. I have close to 300 pages worth of steampunk/dieselpunk/atomicpunk art and historical photos, so it’s really tough to say. But after flipping through the pages, I found this: The Flying City was one of my favorites.
And, while I’m here, check out Spectacular Moments of Wonder with Dr. Monocle: That Certain Gentleman, you can get it for free at Smashwords.