The Art Deco architecture of Boston's John W. McCormack Post Office

Rising high above the city of Boston, the John W. McCormack Post Office and Courthouse stands as a monumental testament to the Art Deco era. Built between 1931 and 1933 as a collaboration between the Supervising Architect of the United States Treasury Department and the Boston architectural firm of Cram and Ferguson, this 331-foot (101 m) skyscraper occupies a city block bounded by Congress, Devonshire, Water, and Milk Streets.

The structure houses federal courts, offices, and post office facilities. Its exterior is faced in granite from a variety of New England sources, as well as Indiana limestone. The building also contained the National Security Agency's Northeast Recruiting Office in Room 406. This office was overseen by the Office of Administration segment within the NSA and officially opened on November 7, 1980, with a mission to scout and employ electrical engineers and mathematicians from New England's elite colleges.

Today, the John W. McCormack Post Office and Courthouse continues to stand as a significant site in Boston. It was designated a Boston Landmark by the Boston Landmarks Commission in 1998 and listed on the National Register of Historic Places in 2011.

Sources: Wikipedia, OpenStreetMap, Wikidata, Wikimedia Commons