French fortifications of World War II

A virtual visit through the Maginot line: Exellent website, with photographs from both in- and outside the Maginot line, as well as additional information
H O W I T Z E R . D K: Excellent reference guide, with photographs of several battlefields of Western Europe, as well as many AFVs. Also includes an extensive model gallery
wk2relikte.de: Excellent photographic documentation of the West Wall and the Maginot Line, with many both interior and exterior photographs