The problem is that most advanced countries won't give you a visa to move there, unless you are exceedingly rich. Some Asian countries will let you retire there, try Thailand or China for example.
Personally I would go to a poorer country since your money lasts a lot longer there. I know a lot of pensioners go to Spain or Turkey even but I me personally I would look into South America or an Asian country.
Check Cyprus. a lot of americans go there after retirement. Agia Napa, Protaras among the most popular cities.
Nissi beach best beach in europe.
Depends on your budget.
Do you have $1,500 per month in retirement to burn or $5K?
I plan on retiring either in the South of France or in Northern Italy, but it's not cheap there. For budget, just google "best retirement places" and there will be a lot of suggestions coming up, from Mexico to Ecuador, to Thailand, etc.
If you want to experience many different cultures, move to Los Angeles.
Treetopchimney, I am going to suggest one, but it would be next to impossible to retire to. The country is Australia.
I'd do more research on what countries would allow a retiree to live there. Most of them want you to be working and paying taxes.
Go to Adelaide Australia---( in Facebook Adelaide Australia---you'll have a spectacular time there). Or New Zealand! ( Facebook photos say it all----I'd KILL just to see those eye candy places----)
The advantage of pioneering is to discover the world without advance information. If you don't have the "right stuff" to go at it fearlessly, there's always the travel bureau.
I hear Belize is nice, check it out. But, Guatemala is near by, watch your step, carry a gun. The gun is for Guatemala,
