Great Falls

Entrance to Washington Water Works, Great Falls, Potomac River - Photograph shows two men standing in a small flat boat near the spillway.

Entrance to the Washington Water Works

What an amazing photograph from the 1860s. This shows the entrance to the Washington Water Works near Great Falls. Source: Library of Congress
Great Falls in 1864

Beautiful 1864 Photo of Great Falls

What an awesome old photograph of Great Falls from 1864. Source: Library of Congress