Medieval Castle Chojnik Escape

Assume that you were sighting the medieval castle Chojnik which is a lovely castle on a hill top. You were busying going around the castle and marveling at its beauty and when you came back to the entrance point, you find the door has been locked. You are at a loss. You must get out of the castle. But it is not as easy as you might think. In order to escape from the castle, you must use your puzzle solving skills with the help of hints and clues.