Early Photo of the US Treasury Building in Washington DC (1856)

 

View of the Treasury Building in Washington, D.C., taken at 4:30 PM on October 14, 1856. Attributed to Titian Ramsay Peale.

Source: National Museum of American History.

Portrait of Two Men Posing in the Interior of the Merchants' Exchange Building Along Wall Street in New York City Taken By George Stacy (1860)

Portrait of two men posing in the interior of the Merchants' Exchange building along Wall Street in New York City, New York, c. 1860. Taken by photographer George Stacy. Today, a renovated version of the building is known as 55 Wall Street.

Source: New York Public Library.