The Pentagon is the headquarters of the United States Department of Defense.
The NASA Headquarters is the administrative headquarters of NASA, the United States' space exploration agency.
The Central National Bank, located in Washington, D.C., is known for its distinct architectural style.
The Defense Intelligence Agency Headquarters is a federal agency in America that provides military intelligence to warfighters and policymakers.
The Perry Belmont House is an exquisite example of Beaux-Arts architecture, designed by Ernest Sanson and Horace Trumbauer.