You can find thousands of wallpaper sites around the net but to be honest,the quality ones are not too many.
Today,i want to talk about a wallpaper site which stands out from the crowd.That is WallpaperFX.

WallpaperFX has a great collection of quality wallpapers which you can definitely find one for your desktop.The wallpapers are categorized perfectly and it has a great feature that the site detects your desktop resolution.By setting a resolution filter,you will be able to see only wallpapers that fits your screen.