Help me see the world !

As 21years old who live in Tunisia, we're limited to a lot of things, one of them is travelling abroad, especially right now, with our currency dropping real bad.

However, in my situation, it's worse, I live in a family of 5, I go to school in the morning, I'm an engineer and work by the night full time, since we don't have part time jobs, in order to support not only myself and pay for my tuition, my rent, my utilities and also helping my mother and my two brothers.
My dad is nowhere to be found, so I feel that all of the pressure is on me and that I have to do this in order for my relatives to be able to go to school and take care of my mother.
I have never travelled although I'm a bit enthusiast of it myself, I never gotten to see other cultures and I don't see myself doing that anytime soon, considering the fact that all of my pay splits between school and everything else.

I really would want to have that cultural shock, to visit the world and Europe this summer While I'm young. Therefore, I would need your help in order to do this, I know that most people have travelled and seen what's out there and I think that I have a chance too even though my financial situation-our financial situation doesn't really allow me but I think there's a way, this is my i'm doing this, because my financial situation has stood in my way for so long, I even gotten internships for this summer that I had to let down.. but I don't want to do that anymore.
So please help me do this, help me achieve my dream, help me see what's out there, help me live my life.

Thank you very much for reading and for your interest.