Federal Triangle
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Federal Triangle is a triangular area in Washington, D.C., formed by 15th Street NW, Constitution Avenue NW, Pennsylvania Avenue NW, and E Street NW. Federal Triangle is occupied by 10 large city and
An aerial view of Federal Triangle (center), the National Mall (on left), and Downtown Washington, D.C. (on right) in September 2006
A diagram of Federal Triangle as of 2009, showing all 10 key buildings in the complex
A 1923 photograph of Federal Triangle, including Pennsylvania Avenue (on left), the District Building (in foreground), the Post Office building, and Center Market (in background)
Center Market in the 1920s
The Old Post Office, listed on the National Register of Historic Places as the Old Post Office and Clock Tower, is located at 1100 Pennsylvania Avenue, N.W. in Washington, D.C. It is a contributing pr
Federal Triangle
…utilized. The first would be a Circular Plaza (inspired by the Place Vendôme) bisected by 12th Street NW, and which would require the demolition of the Old Post Office Pavilion. The second would be a rectangular Grand Plaza on the east side of 14th Street NW between the proposed Department of Commerce building (west side of…
The Old Post Office Building in 2024
The Old Post Office Building in 1911
The Old Post Office, c. 1920
Atrium of the old 1899 General Post Office Building in June 1914