Wikimedi'Òc

DC Washington Monument and Mall.jpg - Dschwen

Pennsylvania Avenue seen from Newseum west.jpg - TCY

Federal Triangle Buildings1.jpg - TCY

OldPostOfficePennAve.jpg - File Upload Bot (Magnus Manske)

1909 map of Downtown Washington, D.C..jpg - APK

Pennsylvania Ave - Old Post Office to the Capitol at Night.jpg - VortBot

FederalTriangle 1851.jpg - Tim1965

Oldpostoffice southernrailway districtbuilding c1932.jpg - Tim1965

FederalTriangle WashingtonDC 2009.jpg - Tim1965

Federal Triangle USGS 2002.jpg - MBisanz

Federal Triangle - facing east.jpg - APK

Aerial view of Federal Triangle - facing west.jpg - APK

View of Red Light District on C Street, N.W. near 13th, with Griffin Veatch who was showing the photographer around... - NARA - 306627.jpg - US National Archives bot

Federal Triangle Washington LOC hec.37493.jpg - JustSomePics

Aerial view, Washington, D.C. commerce dept.jpg - Slowking4

Aerial view, Washington, D.C. federal triangle.jpg - Slowking4

Aerial view, Washington, D.C. labor icc.jpg - Slowking4

Ninth and C Sts., NW (demolished) (3103096902) (3).jpg - File Upload Bot (Magnus Manske)

13th & C Sts., NW (demolished) (4476082113) (3).jpg - File Upload Bot (Magnus Manske)

Federal Triangle (7572303562).jpg - File Upload Bot (Magnus Manske)

Aerial view of Washington, D.C. 14564a.tiff - Slowking4

Aerial view of Washington, D.C.14564v.jpg - Slowking4

Aerial view of Washington, D.C. 14563a.tif - Slowking4

Aerial view of Washington, D.C.14563v.jpg - Slowking4

Aerial view with a focus on the red-roofed federal buildings17336v.jpg - Slowking4

Aerial view of Washington, D.C. 17336a.tif - Slowking4

Washington from the Monument 4a10391v.jpg - Slowking4

View looking to end of Federal Trade Commission Building where Constitution and Pennsylvania avenues meet; view includes the fountain built in 1950 to commemorate Andrew Mellon - Federal HABS DC-867-5.tif - Fæ

Aerial Photograph of Pennsylvania Avenue in Washington, DC including the District Building and the Post Office Building, 1923.jpg - Meisam

Man Playing a Cornet.jpg - Smash the Iron Cage

Photograph of Aerial View of Capitol and Federal Triangle, 1936 (13587899923).jpg - Vanished Account Byeznhpyxeuztibuo

Aerial of Washington, D.C LCCN2011632843.tif - Fæ

Aerial view of the Federal Triangle area of Washington, D.C., with the National Gallery of Art in the foreground LCCN2011633184.tif - Fæ

Aerial view of Federal Triangle in Washington, D.C LCCN2011635194.tif - Fæ

Arched architectural detail in the Federal Triangle located in Washington, D.C LCCN2011630984.tif - Fæ

Secretary of Treasury Mellon and model of showing new buildings Uncle Sam will erect. Secretary of the Treasury Andrew W. Mellon, who is chairman with the responsibility for the new LCCN2016889284.jpg - Fæ

- Flickr - dave 7 (63).jpg - AnankeBot

Andrew Mellon Memorial Bench (36ed5862-7a89-4ebc-9166-556c04edf84b).jpg - BMacZeroBot

Washington from the Air (1993) (4486001136).jpg - SecretName101

Washington - Museums on Mall (1965) (4391901843).jpg - SecretName101

Mellon memorial fountain.jpg - Mdy66

Federal Triangle - facing east (cropped).jpg - Cristiano Tomás