Work for like 6-8 months full time to make a lot of money. Then, you could travel with some of the money you've made to enjoy life at its fullest right before going to university.
Or you could learn a job (here it's called a DEP) like construction worker or welder at a specialized school. Some of the classes are like a year long and it could be a great sideline/summer job in the future for you.
Why wait till you graduate?