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 William Jefferson Clinton Federal Building is a complex of several historic buildings located in the Federal Triangle in Washington, D.C., across 12th Street, NW from the Old Post Office. The comp
The main entrance on 12th Street, NW in 2018
Columns and lamps, Clinton Building