This elephant is outside the DC Library. It was part of the elephants and donkeys they had out and around DC about 7 years ago. I'll post some pictures of them soon.
A piece of art across the street from the museum.
Here's the intro from the Smithsonian site on the Gallery:
Welcome to the National Portrait Gallery The Smithsonian's National Portrait Gallery tells the stories of America through the individuals who have shaped U.S. culture. Through the visual arts, performing arts, and new media, the Portrait Gallery portrays poets and presidents, visionaries and villains, actors and activists who speak American history.