http://www.bolivia-usa.org/

http://www.embassyofmexico.org/

http://www.embassyofargentina.us/espanol/home/home.htm

http://www.brasilemb.org/

http://www.chile-usa.org/

http://www.peruvianembassy.us/

http://www.embavenez-us.org/

http://www.uruwashi.org/

http://www.costarica-embassy.org/

http://www.guatemala-embassy.org/

http://www.hondurasemb.org/

 

 

For embassies and consulates not listed, check this site:
http://www.embassy.org/embassies