(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 ...

The "no man's land" expression dates back to the 1300s when it meant the waste ground between two kingdoms. But in World War I, it was applied to the land between the German and Allied trenches. This ...

WWI historian Alexander Watson rates six First World War battle scenes from movies and TV shows for realism. He discusses the accuracy of the trench warfare and military strategy portrayed in ...

WWI saw massive levels of destruction. More than 16 million people died during the war. One reason for the massive casualties was trench warfare. Trenches are long, deep ditches used for defence.

French visitors are coming to Washington with an old U.S. battle flag and a plan to rekindle memories of the American soldiers who rescued their region during World War I.