15. Spain
Cost of travel for a month for one person: $3,764
A holy land for soccer fanatics and tourists alike, Spain is a beauty to behold. Thinking about brushing up your Spanish or perhaps learn it? Well, you cannot do it better anywhere else than in Spain. Apart from the potential to becoming bilingual for good, you will also have the opportunity to experience the beauty and cultural diversity of Spain firsthand. Cities like Madrid, Barcelona, Seville, Granada, Valencia just ooze with positive energy and fun.