National World War I Museum and Memorial
The National World War I Museum and Memorial is located in Kansas City, Missouri, United States. Opened in 1926 as the Liberty Memorial, it was designated by the United States Congress in 2004 as the country's official museum dedicated to World War I. In 2014, as part of the Centennial recognition, Congress added the designation as the country's official war memorial.
Source: Wikipedia — National World War I Museum and Memorial (CC BY-SA 4.0)