I have been trying to answer this question for a long time. I started exploring career options for history majors in an ongoing series of posts on this blog entitled "So What CAN You Do With a History Major?" Then I wrote a chapter in my book Why Study History: Reflecting on the Importance of the Past entitled "So What Can You Do With a History Major?"
I am glad that history professors at other colleges and universities have found my work in this area helpful. One of those historians is Jay Case of Malone College. Here is a taste of his post at The Circuit Reader: