As a few people have asked, in true Nick Hornby style here are my top-5's (and a few top-10's where it's been a bit hard to get it down).
TOP 10 SITES / THINGS TO DO
1. Machu Picchu, Peru
2. Iguazu Falls, Brazil/Argentina
3. Uyuni Salt Flats, Bolivia
4. Volcan El Tumo (Mud Volcano), Columbia
5. Volcan Paos, Costa Rica
6. Moreno Glacier, Argentina
7. Galapagos Islands, Ecuador
8. Tikal, Guatemala
9. Jungle Trip, Brazil
10. Angel Falls, Venezuela
TOP 10 CITIES / TOWNS
1. Buenos Aries, Argentina
2. San Pedro de Atacama, Chile
3. Cartegena, Columbia
4. Bariloche, Argentina
5. Grenada, Nicaragua
6. Antigua, Guatemala
7. El Calafate, Argentina
8. Havana, Cuba
9. Copan, Honduras
10. Foz do Iguacu, Brazil
TOP 5 RESTAURANTS/CAFES/BARS
1. Alfredo's, Bariloche, Argentina
2. Minuteman Pizza, Uyuni, Bolivia
3. Cafe Adobe, San Pedro de Atacama, Chile
4. Munchi's, Buenos Aires, Argentina
5. Rudy's, Roatan, Honduras
TOP 5 BEERS
1. Iguana, Argentina
2. Port Royal, Honduras
3. Aguila, Columbia
4. Quilmes, Argentina
5. Gallo, Guatemala
TOP 5 PASSPORT STAMPS (Right, I'm starting to struggle for things now..)
1. Peru
2. Nicaragua
3. Bolivia
4. Guatemala
5. Chile