My first was my major: I got my Bachelors in Astronomy. Unfortunately, I'm mildly dyslexic and it destroyed my ability to do high level math so my GPA wasn't too stellar (no pun intended) so continuing with that wasn't an option (although I still write for the astronomy news website Universe Today).
So my second was going into teaching. I currently have my license and am working to find a teaching position but it hasn't happened just yet.
Now I work in estate sales. I travel the country to purchase antique jewelry and other such things. I describe it as a cross between "Antiques Roadshow" and "Pawn Stars".
In my non-professional life, I'm a pretty big homebody. I attend quite a few conventions where I give talks and occasionally meet up with the St. Louis chapter of the Society for Creative Anachronisms, or take my telescope out with the St. Louis Astronomical Society, or join a random M:TG draft tournament (I don't have enough cards to make my own decks), but other than that, I don't get out much. With all the travel from work, I'm usually pretty tired.
I'd like to find more things that I enjoy doing that would require me to get out more.