Areas like communications and liberal arts tend not to. And you can often complement your internship with a part-time job. If you're not living at home, or with friends or family, please take into consideration your budget. You'll need enough for room, food, travel expenses, etc. Discuss this with your academic adviser or department internship coordinator.
Some majors require a credit experience.
Requirements like keeping a journal and writing a final evaluation paper are common. You don't want any surprises that first day of work. Don't be afraid to talk with people. Don't be intimidated because you're a student. Don't wait to be told what to do.