Here are a couple of sites to start with, plus the best way to search for a foreign lighthouse is to use the word lighthouse in that country's own language.

Italian Lighthouses - Italiani Fari http://www.caraba.com/Fari/REGIONE.htm

French Lighthouses - Français Phares http://www.enst-bretagne.fr:3000/autour/region/phare/phares.html

SaintWackoPaul '
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Onward to The Land of the Midnight Sun!