Is there anywhere that you can view a list of virtually ALL careers?

Is there anywhere that you can view a list of virtually ALL careers?
Yes.

Many public libraries, government jobcentres and educational establishments (such as schools and universities) have a selection of careers guidance materials where you can find information about virtually all careers.

In the UK you can also refer to this online list published by Connexions:
http://www.connexions-direct.com/jobs4u/index.cfm?pid=18