With this survey we whant to begin understanding what are the characteristics that make a Theorem to be an Interesting Theorem.

The questions are about situations in which you remember to have used the adjective, interesting, concerning a theorem, and to explain the use of that adjective.

In addition, we are asking you to list several geometric theorems you have found, interesting,  and also to list several geometric theorems you consider, not interesting. Both from elementary and higher geometry, explaining the reasons for your answers.