The Pentagon is the headquarters of the United States Department of Defense.

Quarters 1 is an iconic house located within Fort Myer, Virginia.

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

The Charles Richard Drew House is a historic residence located in Arlington County.

DAR Constitution Hall is a concert hall located in Washington D.C., United States.

Memorial Continental Hall serves as the headquarters for the Daughters of the American Revolution.

The USS Sequoia is a former United States presidential yacht used from Herbert Hoover to Jimmy Carter.

Located in Washington, D.C., the American Red Cross National Headquarters serves as the central office for the organization.

The Octagon House is a single-family detached home designed by William Thornton in Washington, D.C.