Nature is beautiful and the beauty is because the nature is alive, it is reproducing and it moves. The man-made stuff is static which is why it seems boring after a while. Meanwhile nature is ever-changing, in nature you can witness miracles that will leave you stunned and it will give you peace that will make you want to live in that moment forever.
However, the reality is that you cannot stay in this forever and you have to eventually return to reality. You can download these nature images and put them on your smartphone or laptop screen. A way to remember the serenity of nature you once witnessed.