Ever wondered what it was like inside a WW1 trench, tank, or WWII’s legendary Lancaster Bomber? These stunning cross-sections ...

(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 ...

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 ...