All the Feynman Physics lectures are kept in the following page, maintained by Caltech. Help yourself. In the beginning, these are written in a simple language but gradually builds up in complexity as you progress. Since I do not get much of the solutions, I did enjoy how he presents a case in terms of stories. And there is section titled STORIES where great Physicists tell how they were influenced by Feynman's lectures.

Feynman Physics Lectures