To enjoy the view
While the sun is setting, a combination of colors flare up in the sky and make for a beautiful view, which some people like to watch.
Watching the sunset can be a relaxing experience for some people, as the view is soothing and the colors appeal to their senses.
Some people find the sunset a romantic view and like to watch it with their loved ones or their partner. (See Why do some people love rainy and dark weather?)
It’s a new page
The sunset metaphorically stands for the turning of a new page and the end of a day. Some people enjoy watching it to remind themselves that tomorrow is always a fresh start.
It improves the mood
It has been proven that watching the sunset relieves stress and can improve a person’s mood.
Photographers enjoy taking pictures of it
The sunset is a great view for photographers who appreciate the beauty of the sky and its breathtaking colors during sunset.
Some people find the sunset an inspiring experience that they wouldn’t want to miss when they’re in need for a little inspiration in their life. (See Why some people think that Will Smith is very inspiring?)
It looks majestic from a high point
Some people climb mountains and go hiking right before sunset so they can enjoy the view from an elevated place since it looks even more majestic from above.
They appreciate nature
People who appreciate nature and its wonders never miss a chance to watch the sunset.