• 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.
  • Top 10 Things to Do in Federal Triangle: See reviews and photos of Federal Triangle, Washington DC (District of Columbia) on Tripadvisor.
  • The 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.
  • The Federal Triangle is a carefully designed area of Washington DC that houses some of the buildings of power within the city.
  • 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.
  • The history behind the Federal Triangle moniker reveals an intriguing story intertwined with the urban evolution of Washington D.C. in the early 1900s.
  • Find Federal Triangle stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection.
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  • Serving as Secretary of the Treasury, Mellon was the driving force behind creation of the Federal Triangle in the 1920s and 30s.