Here is another painting by one of my favorite painters of all time: Pastoral Landscape, Claude Lorrain, o/c, 38.25" x 51.25" (1638). (I think the original may be a little darker than this image).
Claude had a way of making balanced, harmonious and peaceful landscapes. In this case, he included the ruins of a Roman temple (I'd LOVE to see a scene like this!) on the left and, althogh hard to see here, there appear to be additional ruins in the distance across the river. Claude also liked to paint the skies of dawn or sunset; here, he didn't do the sky with his classic yellowish tones.
As a landscape painter who creates mostly desert scenes, it's hard for me to imagine doing paintings like Claude's. We just don't have those tall trees, hazy atmospheric conditions or, of course, Roman ruins. We have saguaro cactus, Joshua trees, palm trees and/or cottonwood trees under certain conditions, and clear, low-humidity air.
I guess if I want to paint like this, I'll have to branch out, more than I have, into other western landscapes. I may need to, anyway -- not everyone loves desert paintings (although I don't understand why not!)
So -- just give it time. I doubt I'll ever be the Claude Lorrain of the 21st century, but I'll just have to see what I can do!