Maybe Costa Rica (especially the relatively pristine Osa Peninsula if you can find a way to make a living
http://www.bosquedelcabo.com/home/index.html 
)? My other current favorites for often less than practical reasons are Tuva (some day I must go here--Tuva or bust dammit!

), Ireland, Mongolia, Fiji, Bhutan (
http://en.wikipedia.org/wiki/Gross_national_happiness), New Zealand, France, Turkey, Hungary, Samoa, Czech Republic, Scotland, Argentina, Brazil, Jamaica, Barbados, Sweden, Nunavut, Cameroon, Ethiopia, Trinidad and Tobago, Chukotka, Yakutia, Zululand, Botswana, Japan, China. Wish I was rich and had lots of time on my hands to explore them all.