Boasting a collection of more than 300 aircraft with accompanying artifacts, the National Museum of the U.S. Air Force is divided by era: The Early Years, World War I, World War II, Korea, Vietnam, Cold War, Modern, Space, R&D, Presidential, and Global Reach. The unique layout of the museum provides visitors with the experience of walking through the entire history of the U.S. Air Force starting from WWI to the present day. Among the galleries are combat veteran aircraft, former presidential aircraft, X-planes, and many sole surviving aircraft types. It’s a must-see museum that you should add to your destination list!