Wallhaven - Your source for the best high quality wallpapers on the Net!
InterfaceLIFT - High-resolution widescreen wallpapers, desktop icons, and themes for Mac OS X, Microsoft Windows...
Picky Wallpapers - Picky Wallpapers is a good website that has the selection of HD quality wallpapers only.
Ultra HD Wallpapers - One site with wallpapers at high resolutions (UHD 5K, ultra HD 4K 3840x2160, full HD 1920x1080) for phones and desktop. Download 4k backgrounds to bring personality in your devices.
Simple Desktops - A collection of wallpapers designed to make your computer beautiful without distraction.
Wallpapers Now - Wallpapers Now is a specialized website from where you can get the HD wallpaper for free.