Depending on your use case, what style you're looking for, and what device you're using, different options might work better than others for getting the best 4K wallpapers. For desktop computers ...

It entirely depends on the user what kind of wallpaper he/she finds best for his/her PC. While some users like to add animated backgrounds, other users find adding video as a desktop background cool.

Thankfully, making your desktop more ... a website for wallpapers, but if you're looking for some incredibly fan-drawn images ...