Architect Hany Hassan of
Beyer Blinder Belle designed the museum's 20,000 square-foot pavilion which extends out for visitors entering on 21st Street. Construction for the pavilion was completed in 2017. In November 2019,
Diplomacy Is Our Mission, a preview exhibit designed in collaboration with
Smithsonian Exhibits, opened to the public. Through the themes of security, prosperity, democracy, and development,
Diplomacy Is Our Mission explores historic and contemporary stories that "highlight the efforts of U.S. diplomats and how they work with international partners to create a more stable world." == Education ==