Question

Why do you go to a museum?
I go there to watch works of art.
I go there to look at works of art.
I go there to see works of art.
I go there to enjoy watching pictures.
I go there to see the works of famous artists.

(Are the answers all grammatical? Would you let me know some more answers?)

I go there to ________________________.

Answer 1

The first answer is not correct, nor is the fourth one -- unless you are referring to films (movies).

If you are referring only to looking at paintings, sculptures, and other artworks usually displayed in museums, the other answers are all correct.