The Lincoln Memorial is an American national monument built to honor the 16th President of the United States, Abraham Lincoln.

The Vietnam Veterans Memorial is a national monument honoring U.S. service members who fought in the Vietnam War.

The Korean War Veterans Memorial honors those who served in the Korean War.

The American Institute of Pharmacy Building, designed by architects John Russell Pope and George A. Fuller Company.

An iconic example of neoclassical architecture housing the National Academy of Sciences.

The Arlington Memorial Bridge is a Neoclassical masonry, steel, and stone arch bridge with a central bascule that crosses the Potomac River at Washington, D.C.

The District of Columbia War Memorial, located in Washington, D.C., honors the citizens of the District who served during World War I.

The United States Public Health Service Building is a significant architectural landmark located in Washington, D.C.

The Old Naval Observatory is a historical scientific site located in Washington, D.C.