This major exhibition hall focuses on the story of human origins and probes the ecological and genetic connections that human beings have had with the natural world over time.

The featured artists draw upon this rich subject in multifaceted ways, using both the material and concept of skin as a metaphor for widespread issues.

Experience the sights, scenes, and beautiful buildings that make up the ever-changing Penn Quarter neighborhood in downtown Washington, D.C.

On view is the letter George Washington wrote on November 30, 1785, to David Stuart, a trusted associate and stepfather to Washington's grandchildren.

This exhibition showcases major cultural and political figures who struggled to achieve civil rights for disenfranchised or marginalized groups.

This exhibition features Elvis Presley and celebrates the 75th anniversary of his birth.

The story of the horse's influence on American Indian tribes from the 1600s to the present is depicted.

This exhibition examines the art, industry, and history of holiday displays across the United States, primarily between the 1920s and the 1960s, at the height of their popularity.

On display is the most comprehensive exhibition of works by this internationally renowned Nigerian, London-based artist to date.

Read compelling text and see powerful graphics on 20 banners discusses the cultural integration and diffusion of African American and American Indian people, especially those of blended heritage.

Three artists -- Rose Frantzen, Jim Torok, and Rebecca Westcott -- explore the idea of community in portraits of friends, neighbors, or family.

The National Portrait Gallery presents finalists' works that were selected from the second triennial Outwin Boochever Portrait Competition.

Examine iconic works and major pieces never before seen in the United States by Brian Jungen (Dunne-za First Nations/Swiss/Canadian), widely regarded as the foremost Native artist of his generation.

Through more than 100 portrait photographs, this exhibition tells the story of the changes that occurred in the American West during the 80 years between the Mexican War and passage of the Indian Citizenship Act in 1924.

This exhibition reveals the significant role Darwin's theories have played in explaining and unifying all the biological sciences.

Through freestanding, illustrated banners with text, this bilingual (English and Spanish) exhibition examines the experiences of bracero workers and their families while providing insight into Mexican American history and historical context to today's debates on guest worker programs.

Franklin D. Roosevelt, president during the Great Depression, used stamps to communicate with the American people.

This exhibition features Thomas Paine (1737-1809), whose pamphlet Common Sense fired up Americans to get on with a declaration of independence.