Star-Spangled Banner: Interactive Flag

From site:  Generations of Americans have invested the flag with their own meanings and memories. Here’s your chance to interact with this national treasure and contribute your point of view. Whether you sing your own version of the national anthem, ace our 15-star quiz, get an up-close-and-personal look at the flag, or contribute your photos and stories to our mosaic—we hope these activities will inspire you to learn more about the history of the Star-Spangled Banner and what it means to you.