I got layed off a few months ago. What are some good websites to look at for jobs?

I am looking at going possibly going back to school to get second degree. It is possible this might not work out. So I am looking at working full time and part time. I have a college degree and I have quite a bit of work experience I am 27 years old. Currently live in MN but due to school might relocate. I am looking for jobs in Minneapolis/St. Paul, Vegas, Denver, Phoenix, and Southern Cal