Unesco World Heritage Sites http://whc.unesco.org/en/statesparties/fr
CultureSpaces http://www.culturespaces.com/en/portail/
Architecture, Cathedrals, and Historical Monuments
http://www.french-at-a-touch.com/Francophone/francophone_architectural_historical_sites.htm
Great Buildings Online http://www.greatbuildings.com/places/france.html
Centre de Monuments Nationaux http://www.monum.fr/prehome/prehome.dml
Use the Online Student Resources to find expert information on your topic.
World Book Encyclopedia (upper left) has detailed articles on pollution, endangered species, early humans, obesity, and more.
Issues and Controversies (upper right) is a FANTASTIC resource for topics including Air Pollution, Global Warming, Obesity, AIDS Epidemic, Global Population Growth, and more. These are all expert articles published by Facts on File, which include links for further research in newspapers and magazines.
ProQuest and eLibrary will help you find magazine and newspaper articles, but use World Book and Issues and Controversies FIRST.