The National World War I Museum at Liberty Memorial in Kansas City, MO. opened on December 2, 2006 as the first American and only national museum dedicated to the Great War. The 30,000-square-foot museum features more than 49,000 artifacts; the world's second largest WWI collection behind Britain's Imperial War Museum.

Dedicated by President Calvin Coolidge in 1926, the Liberty Memorial consists of a 217-foot Memorial Tower, two exhibit halls and the new museum housed beneath the Tower.