The Washington Monument is the world's tallest stone structure and obelisk.
The National Museum of African American History and Culture is a Smithsonian Institution museum located on the National Mall.
The United States Holocaust Memorial Museum is a living memorial to the Holocaust.
The National World War II Memorial is located in Washington, D.C., United States.
The National Museum of American History is part of the Smithsonian Institution and is located on the National Mall.
The Herbert C. Hoover Building is the Washington D.C. headquarters of the United States Department of Commerce.