National Museum of the U.S. Air Force, Ohio

Situated in the northeast of Dayton, Ohio, this is the largest and oldest military aviation museum in the world. The main exhibit areas include the Early Years Gallery, World War II Gallery, Korean War Gallery, Southeast Asia War Gallery, Cold War Gallery and Missile & Space Gallery. The museum displays more than 360 aerospace vehicles and missiles, some of which are unique examples of their type. It is one of the most popular attractions in Ohio with more than 1.3 million people coming to visit every year.