This is an awesome old photograph of the Washington Monument we dug up at the Smithsonian archives. You’re looking at the Washington Monument under construction in the early 1880s, just before it was completed.

Washington Monument under construction with U.S. Fish Commission hatching ponds in the foreground and Bureau of Engraving and Printing building in the background.
Washington Monument under construction with U.S. Fish Commission hatching ponds in the foreground and Bureau of Engraving and Printing building in the background.