The Long Range Desert Group - great info and pics about this elite British unit
German U-boat and Battle of the Atlantic - Portrays the history of German U-Boat and Battle of the Atlantic, including historical battles, photos, and technical information.
German King Tiger Tank - Features the King Tiger tank development history, technical data, photos and a scale model gallery. Contains information and a listing of recommended books on the Tiger II.
World War Color Photograph Database - probably the best source of WWII color photographs on the Internet! You can also buy prints.
World War Two Books - new and used military history books for sale
Reichslieder - WW1 & WWII Propaganda Posters, Shirts and Mugs.
The Pacific Fan Site - dedicated to the upcoming HBO WWII mini-series, The Pacific.
Letters from War - huge collection of letters, photos and miscellanous items mailed by soldiers during the second world war. Site for historical research.