I think the first image has a lot of potential. I think it just needs more toning, darker blacks and whiter whites. I understand that you may just be afraid of losing the atmosphere if you do, but I don't think you would. I pulled the image into lightroom and did a slight adjustment that I think helps. The adjustment is the way I would do it, I understand if you are not interested, I would be happy to share it if you would like.
I hope this version is well received
"It's quite interesting how much an image can change with so little adjustment."I agree 100%, in my opinion it is one of the great joys and difficulties of photography.
I much prefer the original processing, which is just the way I would do it. I might let the darks go closer to black, but I would not raise the high values at all. To me, fog is gray, not white, and white kills the mood.
go together like peas and carrots.