Some old bloggings:
http://pedalacrosstheamericas.com/the-journal/
Some friends travelling:
- Max et sophie (in French): http://de-valence-en-amerique-du-sud.blogspot.com/
- Jorge (in Spanish) : http://bicibirloque.blogspot.com/
- Markus (in German... but nice pictures) : http://hoefle.blogspot.com/p/fruhere-reisen.html