Capitol Building under construction in 1861 with Washington City Canal in the foreground By Justin Shubow | Published October 4, 2019 | Full size is 900 × 583 pixels Natur-und-Kultur-Das-Weib Capitol Building under construction in 1861 with Washington City Canal in the foreground cropped West Front of Capitol Dome under Construction(Note gatehouse at left of axial walk,) July 1861 (Library of Congress) Bookmark the permalink.