Some surprising â?? and, perhaps, more sober â?? destinations are cropping up on studentsâ?? radars. Two youth-oriented travel agencies report European locales are besting Caribbean counterparts. A survey by STA Travel shows 34% of its spring break customers are bound for Europe. Only 10% are going to Mexico, a reversal from last year. Europe may be an easier sell to parents who are paying the bill, STAâ??s Patrick Evans says.