Corrected horizon, smart sharpened, cropped a bit, resized.
All Nik:
Tonal Contrast - brings out detail
Contrast Color Range - brings out colors
Graduated Natural Density - to bring out clouds in sky
Foliage Filter to make the greens pop
Bi Color Filter in turquoise - added a different hue.
Selective Color to scale back the yellow
Nik Classical Soft Focus - adds diffusion and glow
Selectively darkened the middle sky, lightened the sign on the left, lightened the house on the right.
Added vignette with Lens Correction