The 16 Most Interesting Regions in Second Life

... if by interesting you mean "least JPEG-compressible aerial thumbnail images"...

1. New Purden
   
2. japan fukuoka
   
3. Pacific Sanctuary
   
4. Hoshi Island
   
5. Altar
   
6. Utopia V
   
7. Champagne Forest
   
8. St Martinique
   
9. Magnolia Island
   
10. Manitu
    
11. Koh Miang
    
12. Pet Village NorthWest
    
13. francky island
    
14. Acedia
    
15. Mixi
    
16. Genesee
    

How?
SignpostMarv's region list -> look up coordinates for each region -> download images for each region -> sort by filesize.