For senior citizens

Many reliable agencies and organizations target the 50-plus market. Give Interhostel or Elderhostel a ring if youwant to try something more than the average guided tour or vacation.Foreign universities host these trips, which cost around $2,700 to $3,700 (European cruises cost significantly more). Interhostel and Elderhostel fill your days with seminars, lectures, field trips, and sightseeing tours, all led by academic experts. You must be over 55 to participate in Elderhostel (a spouse or companion of any age can accompany you), and the programs range from one to four weeks. Interhostel requires its participants to be over 50 (any companion must be over 40) and offers two- and three-week programs.