Below you will find useful links for your Spanish country project.
Argentina
https://www.cia.gov/library/publications/the-world-factbook/geos/ar.html
http://www.state.gov/r/pa/ei/bgn/26516.htm
Costa Rica
https://www.cia.gov/library/publications/the-world-factbook/geos/cs.html
http://www.state.gov/r/pa/ei/bgn/2019.htm
Ecuador
https://www.cia.gov/library/publications/the-world-factbook/geos/ec.html
http://www.state.gov/r/pa/ei/bgn/35761.htm
Galapagos
http://www.galapagos.org/2008/
http://www.galapagosonline.com/Islands/Galapagos_Islands.htm
Guatemala
https://www.cia.gov/library/publications/the-world-factbook/geos/gt.html
http://www.state.gov/r/pa/ei/bgn/2045.htm
Mexico
https://www.cia.gov/library/publications/the-world-factbook/geos/mx.html
http://www.state.gov/r/pa/ei/bgn/35749.htm
Nicaragua
https://www.cia.gov/library/publications/the-world-factbook/geos/nu.html
http://www.state.gov/r/pa/ei/bgn/1850.htm
Puerto Rico
https://www.cia.gov/library/publications/the-world-factbook/geos/rq.html
http://www.fodors.com/world/caribbean/puerto-rico/
Spain
http://www.state.gov/r/pa/ei/bgn/2878.htm
https://www.cia.gov/library/publications/the-world-factbook/geos/sp.html
Venezuela
https://www.cia.gov/library/publications/the-world-factbook/geos/ve.html
http://www.state.gov/r/pa/ei/bgn/35766.htm
Use the link below to search a country not listed here. Just click on the drop down on the right hand side that reads Country Profiles and select your country.
http://www.state.gov/aboutstate/