
Towpath along the C & O Canal near Washington, D.C., about 1900. The canal was still in operation at this time, principally transporting coal.
Photo by Detroit Publishing Co. via Library of Congress Prints and Photographs Division.

Towpath along the C & O Canal near Washington, D.C., about 1900. The canal was still in operation at this time, principally transporting coal.
Photo by Detroit Publishing Co. via Library of Congress Prints and Photographs Division.

A sleeping porch was added to the roof of the White House during the Taft Administration. Photo by National Photo Company, via Library of Congress.
Click here to read more about sleeping porches.