Photo of a Group Posing in Front of the Newport Harbor Light Lighthouse on Goat Island in Newport, Rhode Island (1860's)

 

Portrait of a group posing in front of the Newport Harbor Light on Goat Island in Newport, Rhode Island, c. 1860s. Taken by photographer Joshua Williams and originally published as a stereoview.

Source: Library of Congress.

Union Soldiers and Civilians Posing in an Encampment and On the Ruins of the Morris Island Lighthouse Near Charleston, South Carolina, During the American Civil War (1863)

Union soldiers and civilians posing in an encampment and on the ruins of the Morris Island Lighthouse near Charleston, South Carolina, during the American Civil War in July or August 1863. Some of the men on the pile of rubble are possibly watching distant exchanges of artillery fire by Union and Confederate forces in Charleston Harbor. By photographers Haas and Peale.

Source: Library of Congress.

Calotype View of Workers Standing on a Cast Iron Lighthouse Assembled Temporarily at the Foundry Where it Was Created in Philadelphia Before Its Shipment For Installation on Carysfort Reef in Florida (1849)

Calotype view of workers standing on a cast iron lighthouse assembled temporarily at the foundry where it was created in Philadelphia before its shipment for installation on Carysfort Reef in Florida, August 2, 1849. By the Langenheim brothers.

Source.
Wikipedia entry.