Trenches became valuable to WW1 armies because they were a defensive solution to modern weaponry. Before the war, many people thought that the battles would consist of thousands of advancing in ...

(See how World War I energized mapmaking at National Geographic.) Photographed in 1917, an endless line of Russian soldiers sit patiently in a trench as they anticipate a German attack. National ...

A series of hand-painted postcards sent from the trenches reveal one German soldier's intimate view of World War One. Art student Otto Schubert (1892-1970) was 22 years old when he was drafted ...

It's along these fortified lines set over France and Belgium that a new type of military tactic evolved, that of trench warfare. Created as long, deep ditches dug as protective defenses ...