A wrecked Zeppelin sits ashore in Mison, France, 1918.Photograph by Paul Thompson, National Geographic

A wrecked Zeppelin sits ashore in Mison, France, 1918.Photograph by Paul Thompson, National Geographic

Men observe the giant statues of Easter Island in Polynesia, December 1922.Photograph by J. P. Ault, National Geographic

Men observe the giant statues of Easter Island in Polynesia, December 1922.Photograph by J. P. Ault, National Geographic

A woman on a farmer’s shoulder emphasizes a corn crop’s height in Minnesota, 1916.Photograph by A. W. Thompson, National Geographic

A woman on a farmer’s shoulder emphasizes a corn crop’s height in Minnesota, 1916.Photograph by A. W. Thompson, National Geographic

A welder works on cowls for liberty ships in California, 1942.Photograph by Acme News Pictures, Inc.

A welder works on cowls for liberty ships in California, 1942.Photograph by Acme News Pictures, Inc.

Alexander Graham Bell and his wife Mabel hold hands at the water’s edge in Nova Scotia in 1898.Bell Collection

Alexander Graham Bell and his wife Mabel hold hands at the water’s edge in Nova Scotia in 1898.
Bell Collection

A shielded dummy in a basement for atomic bomb testing in Nevada, March 1953.Photograph by Volkmar Wentzel, National Geographic

A shielded dummy in a basement for atomic bomb testing in Nevada, March 1953.Photograph by Volkmar Wentzel, National Geographic

The Agawam prepares to launch from the Submarine Boat Corporation dry dock in Newark, New Jersey, September 1918.Photograph by M. Rosenfeld, National Geographic

The Agawam prepares to launch from the Submarine Boat Corporation dry dock in Newark, New Jersey, September 1918.Photograph by M. Rosenfeld, National Geographic

Poor french children in a hospital ward, November 1918.Photograph by H. C. Ellis, National Geographic

Poor french children in a hospital ward, November 1918.Photograph by H. C. Ellis, National Geographic

A man balances a piece of pumice rock on his legs in Katmai National Park and Preserve, Alaska, September 1921.Photograph by Lucius G. Folsom, National Geographic

A man balances a piece of pumice rock on his legs in Katmai National Park and Preserve, Alaska, September 1921.Photograph by Lucius G. Folsom, National Geographic

A rush of water in freshet season collapses Tegucigalpa’s arched bridge in Honduras, August 1916.Photograph by F. J. Youngblood, National Geographic

A rush of water in freshet season collapses Tegucigalpa’s arched bridge in Honduras, August 1916.Photograph by F. J. Youngblood, National Geographic

Workers inspect details inside a turbine in Montana, 1952.Photograph by U.S. Department of the Interior

Workers inspect details inside a turbine in Montana, 1952.Photograph by U.S. Department of the Interior

A man stands next to orphaned Russian Jews upon immigration to the U.S., New York, July 1919.No Credit Given

A man stands next to orphaned Russian Jews upon immigration to the U.S., New York, July 1919.No Credit Given

Alan Shepard waits to become the first American in space, Cape Canaveral, 1961.Photograph by NASA

Alan Shepard waits to become the first American in space, Cape Canaveral, 1961.Photograph by NASA

A farmer buring the hoof of a horse before shoeing it in Scotland, May 1921.Photograph by William Reid, National Geographic

A farmer buring the hoof of a horse before shoeing it in Scotland, May 1921.Photograph by William Reid, National Geographic

A young Kenyan woman holds her pet deer in Mombassa, March 1909.Photograph by Underwood and Underwood

A young Kenyan woman holds her pet deer in Mombassa, March 1909.Photograph by Underwood and Underwood