Peru is a great country, with shed loads of geology; take a look at:
http://www.ingemmet.gob.pe/Images/productos/imagenes_asociadas/pom.pdf
Drop me a line or reply to this post if you might ever think of making a trip over here, as I can do loads to help fix it up and make it fun. Maybe even come along if you don't mind....
It's probably less expensive than you think.
GeologyRocks