Description: A year ago on September 24, 2016, the Smithsonian gained a new museum — the National Museum of African American History and Culture. Since then, 2.5 million people have visited the museum. In honor of their historic opening, we look back at photographer Michael Barnes' favorite images from the year.[view:sia_slideshow==77271]Related ResourcesHistory of the National Museum of
Description: Take a listen to clips from The World Is Yours episode “Early Air Mail” and its short reign under the United States Postal Service from 1916 to 1926.