1. The Air and Space Museum,which is part of the Smithsonian Institution in Washington,D.C.,is the most visited museum in the United States.Year after year.more people visit this massive exhibit honoring the men and women who have pioneered flight and the exploration of space than visit any other monument or museum in the entire country. 2.I work in a little room off the main entrance to the museum,checking coats and other articles which people do not want to carry around as they tour the building.I see virtually everyone who enters the museum. 1. The Air and Space Museum, which is part of the Smithsonian Institution in Washington, D.C., is the most visited museum in the United States. Year after year, more people visit this massive exhibit honoring the men and women who have pioneered flight and the exploration of space than visit any other monument or museum in the entire country. 2. I work in a little room off the main entrance to the museum, checking coats and other articles which people do not want to carry around as they tour the building. I see virtually everyone who enters the museum